89009012 has 12 divisors (see below), whose sum is σ = 156413796. Its totient is φ = 44319360.

The previous prime is 89009009. The next prime is 89009017. The reversal of 89009012 is 21090098.

It can be written as a sum of positive squares in 2 ways, for example, as 26977636 + 62031376 = 5194^2 + 7876^2 .

It is a super-2 number, since 2×89009012² = 15845208434432288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89009017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45203 + ... + 47130.

It is an arithmetic number, because the mean of its divisors is an integer number (13034483).

Almost surely, 2^89009012 is an apocalyptic number.

It is an amenable number.

89009012 is a deficient number, since it is larger than the sum of its proper divisors (67404784).

89009012 is a wasteful number, since it uses less digits than its factorization.

89009012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92578 (or 92576 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 89009012 is about 9434.4587550108. The cubic root of 89009012 is about 446.4895788187.

The spelling of 89009012 in words is "eighty-nine million, nine thousand, twelve".