1009236896 has 12 divisors (see below), whose sum is σ = 1986935202. Its totient is φ = 504618432.

The previous prime is 1009236881. The next prime is 1009236911. The reversal of 1009236896 is 6986329001.

It is an interprime number because it is at equal distance from previous prime (1009236881) and next prime (1009236911).

It can be written as a sum of positive squares in only one way, i.e., 721459600 + 287777296 = 26860^2 + 16964^2 .

It is a super-2 number, since 2×1009236896² = 2037118224495429632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15769295 + ... + 15769358.

Almost surely, 2^1009236896 is an apocalyptic number.

1009236896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1009236896 is a deficient number, since it is larger than the sum of its proper divisors (977698306).

1009236896 is an equidigital number, since it uses as much as digits as its factorization.

1009236896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31538663 (or 31538655 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1009236896 is about 31768.4890418163. The cubic root of 1009236896 is about 1003.0695336560.

The spelling of 1009236896 in words is "one billion, nine million, two hundred thirty-six thousand, eight hundred ninety-six".