86969490 has 16 divisors (see below), whose sum is σ = 208726848. Its totient is φ = 23191856.

The previous prime is 86969483. The next prime is 86969497. The reversal of 86969490 is 9496968.

It is an interprime number because it is at equal distance from previous prime (86969483) and next prime (86969497).

It is not an unprimeable number, because it can be changed into a prime (86969497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449462 + ... + 1449521.

It is an arithmetic number, because the mean of its divisors is an integer number (13045428).

Almost surely, 2^86969490 is an apocalyptic number.

86969490 is an abundant number, since it is smaller than the sum of its proper divisors (121757358).

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

86969490 is a wasteful number, since it uses less digits than its factorization.

86969490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898993.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 86969490 is about 9325.7434020029. The cubic root of 86969490 is about 443.0529586945.

The spelling of 86969490 in words is "eighty-six million, nine hundred sixty-nine thousand, four hundred ninety".