97831356 has 24 divisors (see below), whose sum is σ = 260883840. Its totient is φ = 27951792.

The previous prime is 97831337. The next prime is 97831369. The reversal of 97831356 is 65313879.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582246 + ... + 582413.

It is an arithmetic number, because the mean of its divisors is an integer number (10870160).

Almost surely, 2^97831356 is an apocalyptic number.

It is an amenable number.

97831356 is an abundant number, since it is smaller than the sum of its proper divisors (163052484).

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

97831356 is a wasteful number, since it uses less digits than its factorization.

97831356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164673 (or 1164671 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 97831356 is about 9890.9734606863. The cubic root of 97831356 is about 460.7790139519.

The spelling of 97831356 in words is "ninety-seven million, eight hundred thirty-one thousand, three hundred fifty-six".