1009396441 has 3 divisors (see below), whose sum is σ = 1009428213. Its totient is φ = 1009364670.

The previous prime is 1009396429. The next prime is 1009396481. The reversal of 1009396441 is 1446939001.

The square root of 1009396441 is 31771.

It is a perfect power (a square), and thus also a powerful number.

1009396441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1446939001 = 941 ⋅1537661.

It is not a de Polignac number, because 1009396441 - 2¹⁵ = 1009363673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1009396441.

It is not an unprimeable number, because it can be changed into a prime (1009396411) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15886 + ... + 47656.

It is an arithmetic number, because the mean of its divisors is an integer number (336476071).

Almost surely, 2^1009396441 is an apocalyptic number.

1009396441 is the 31771-st square number.

1009396441 is the 15886-th centered octagonal number.

It is an amenable number.

1009396441 is a deficient number, since it is larger than the sum of its proper divisors (31772).

1009396441 is an frugal number, since it uses more digits than its factorization.

1009396441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63542 (or 31771 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The cubic root of 1009396441 is about 1003.1223875490.

The spelling of 1009396441 in words is "one billion, nine million, three hundred ninety-six thousand, four hundred forty-one".