88391412 has 30 divisors (see below), whose sum is σ = 231073458. Its totient is φ = 29463696.

The previous prime is 88391411. The next prime is 88391417. The reversal of 88391412 is 21419388.

It can be written as a sum of positive squares in only one way, i.e., 86936976 + 1454436 = 9324^2 + 1206^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88391411) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 136083 + ... + 136730.

Almost surely, 2^88391412 is an apocalyptic number.

It is an amenable number.

88391412 is an abundant number, since it is smaller than the sum of its proper divisors (142682046).

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

88391412 is a wasteful number, since it uses less digits than its factorization.

88391412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272829 (or 272818 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 88391412 is about 9401.6707025932. The cubic root of 88391412 is about 445.4545067989.

The spelling of 88391412 in words is "eighty-eight million, three hundred ninety-one thousand, four hundred twelve".