926449561 has 4 divisors (see below), whose sum is σ = 980946612. Its totient is φ = 871952512.

The previous prime is 926449553. The next prime is 926449583. The reversal of 926449561 is 165944629.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 807639561 + 118810000 = 28419^2 + 10900^2 .

It is a cyclic number.

It is not a de Polignac number, because 926449561 - 2³ = 926449553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (926449501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27248500 + ... + 27248533.

It is an arithmetic number, because the mean of its divisors is an integer number (245236653).

Almost surely, 2^926449561 is an apocalyptic number.

It is an amenable number.

926449561 is a deficient number, since it is larger than the sum of its proper divisors (54497051).

926449561 is a wasteful number, since it uses less digits than its factorization.

926449561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54497050.

The product of its digits is 466560, while the sum is 46.

The square root of 926449561 is about 30437.6339586375. The cubic root of 926449561 is about 974.8562789691.

The spelling of 926449561 in words is "nine hundred twenty-six million, four hundred forty-nine thousand, five hundred sixty-one".