97901900 has 36 divisors (see below), whose sum is σ = 215454960. Its totient is φ = 38606400.

The previous prime is 97901879. The next prime is 97901953. The reversal of 97901900 is 910979.

It is a happy number.

It is a super-2 number, since 2×97901900² = 19169564047220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206 + ... + 13994.

It is an arithmetic number, because the mean of its divisors is an integer number (5984860).

Almost surely, 2^97901900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97901900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107727480).

97901900 is an abundant number, since it is smaller than the sum of its proper divisors (117553060).

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

97901900 is a wasteful number, since it uses less digits than its factorization.

97901900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13874 (or 13867 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 97901900 is about 9894.5388977961. The cubic root of 97901900 is about 460.8897398183.

The spelling of 97901900 in words is "ninety-seven million, nine hundred one thousand, nine hundred".