90982897 has 8 divisors (see below), whose sum is σ = 92760480. Its totient is φ = 89238916.

The previous prime is 90982847. The next prime is 90982901. The reversal of 90982897 is 79828909.

It is not a de Polignac number, because 90982897 - 2¹⁵ = 90950129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90982817) 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, 205158 + ... + 205600.

It is an arithmetic number, because the mean of its divisors is an integer number (11595060).

Almost surely, 2^90982897 is an apocalyptic number.

It is an amenable number.

90982897 is a deficient number, since it is larger than the sum of its proper divisors (1777583).

90982897 is an frugal number, since it uses more digits than its factorization.

90982897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 90982897 is about 9538.4955312670. The cubic root of 90982897 is about 449.7659639003.

The spelling of 90982897 in words is "ninety million, nine hundred eighty-two thousand, eight hundred ninety-seven".