88387290 has 36 divisors (see below), whose sum is σ = 230039082. Its totient is φ = 23546160.

The previous prime is 88387283. The next prime is 88387303. The reversal of 88387290 is 9278388.

It can be written as a sum of positive squares in only one way, i.e., 79548561 + 8838729 = 8919^2 + 2973^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 88695 + ... + 89685.

Almost surely, 2^88387290 is an apocalyptic number.

88387290 is an abundant number, since it is smaller than the sum of its proper divisors (141651792).

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

88387290 is an equidigital number, since it uses as much as digits as its factorization.

88387290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 88387290 is about 9401.4514836806. The cubic root of 88387290 is about 445.4475823252.

The spelling of 88387290 in words is "eighty-eight million, three hundred eighty-seven thousand, two hundred ninety".