89770944 has 28 divisors (see below), whose sum is σ = 237519464. Its totient is φ = 29923584.

The previous prime is 89770927. The next prime is 89770963. The reversal of 89770944 is 44907798.

It is a happy number.

It is a super-2 number, since 2×89770944² = 16117644773302272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 89770893 and 89770902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233587 + ... + 233970.

It is an arithmetic number, because the mean of its divisors is an integer number (8482838).

Almost surely, 2^89770944 is an apocalyptic number.

It is an amenable number.

89770944 is an abundant number, since it is smaller than the sum of its proper divisors (147748520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89770944 is a wasteful number, since it uses less digits than its factorization.

89770944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467572 (or 467562 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 89770944 is about 9474.7529783103. The cubic root of 89770944 is about 447.7599692077.

The spelling of 89770944 in words is "eighty-nine million, seven hundred seventy thousand, nine hundred forty-four".