89469812 has 12 divisors (see below), whose sum is σ = 156646980. Its totient is φ = 44713536.

The previous prime is 89469797. The next prime is 89469823. The reversal of 89469812 is 21896498.

It can be written as a sum of positive squares in 2 ways, for example, as 34175716 + 55294096 = 5846^2 + 7436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7514 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (13053915).

Almost surely, 2^89469812 is an apocalyptic number.

It is an amenable number.

89469812 is a deficient number, since it is larger than the sum of its proper divisors (67177168).

89469812 is a wasteful number, since it uses less digits than its factorization.

89469812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690 (or 10688 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 89469812 is about 9458.8483442753. The cubic root of 89469812 is about 447.2587457748.

The spelling of 89469812 in words is "eighty-nine million, four hundred sixty-nine thousand, eight hundred twelve".