97021900 has 18 divisors (see below), whose sum is σ = 210537740. Its totient is φ = 38808720.

The previous prime is 97021831. The next prime is 97021921. The reversal of 97021900 is 912079.

It is a super-2 number, since 2×97021900² = 18826498159220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 485010 + ... + 485209.

Almost surely, 2^97021900 is an apocalyptic number.

It is an amenable number.

97021900 is an abundant number, since it is smaller than the sum of its proper divisors (113515840).

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

97021900 is a wasteful number, since it uses less digits than its factorization.

97021900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970233 (or 970226 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 97021900 is about 9849.9695431001. The cubic root of 97021900 is about 459.5046652955.

Adding to 97021900 its reverse (912079), we get a palindrome (97933979).

The spelling of 97021900 in words is "ninety-seven million, twenty-one thousand, nine hundred".