1009436 has 6 divisors (see below), whose sum is σ = 1766520. Its totient is φ = 504716.

The previous prime is 1009433. The next prime is 1009439. The reversal of 1009436 is 6349001.

It is an interprime number because it is at equal distance from previous prime (1009433) and next prime (1009439).

It is a super-2 number, since 2×1009436² = 2037922076192, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126176 + ... + 126183.

It is an arithmetic number, because the mean of its divisors is an integer number (294420).

2^1009436 is an apocalyptic number.

It is an amenable number.

1009436 is a deficient number, since it is larger than the sum of its proper divisors (757084).

1009436 is a wasteful number, since it uses less digits than its factorization.

1009436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252363 (or 252361 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1009436 is about 1004.7069224406. The cubic root of 1009436 is about 100.3135491749.

The spelling of 1009436 in words is "one million, nine thousand, four hundred thirty-six".