97894992 has 160 divisors (see below), whose sum is σ = 299980800. Its totient is φ = 27219456.

The previous prime is 97894987. The next prime is 97895023. The reversal of 97894992 is 29949879.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272509 + ... + 272867.

It is an arithmetic number, because the mean of its divisors is an integer number (1874880).

Almost surely, 2^97894992 is an apocalyptic number.

97894992 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97894992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149990400).

97894992 is an abundant number, since it is smaller than the sum of its proper divisors (202085808).

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

97894992 is a wasteful number, since it uses less digits than its factorization.

97894992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 419 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 57.

The square root of 97894992 is about 9894.1898101866. The cubic root of 97894992 is about 460.8788993709.

The spelling of 97894992 in words is "ninety-seven million, eight hundred ninety-four thousand, nine hundred ninety-two".