97863420 has 24 divisors (see below), whose sum is σ = 274017744. Its totient is φ = 26096896.

The previous prime is 97863343. The next prime is 97863427. The reversal of 97863420 is 2436879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97863427) 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, 815469 + ... + 815588.

It is an arithmetic number, because the mean of its divisors is an integer number (11417406).

Almost surely, 2^97863420 is an apocalyptic number.

It is an amenable number.

97863420 is an abundant number, since it is smaller than the sum of its proper divisors (176154324).

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

97863420 is a wasteful number, since it uses less digits than its factorization.

97863420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631069 (or 1631067 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 97863420 is about 9892.5941997031. The cubic root of 97863420 is about 460.8293482043.

The spelling of 97863420 in words is "ninety-seven million, eight hundred sixty-three thousand, four hundred twenty".