97381892 has 12 divisors (see below), whose sum is σ = 170624076. Its totient is φ = 48632160.

The previous prime is 97381861. The next prime is 97381901. The reversal of 97381892 is 29818379.

It can be written as a sum of positive squares in 2 ways, for example, as 13366336 + 84015556 = 3656^2 + 9166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10859 + ... + 17682.

It is an arithmetic number, because the mean of its divisors is an integer number (14218673).

Almost surely, 2^97381892 is an apocalyptic number.

It is an amenable number.

97381892 is a deficient number, since it is larger than the sum of its proper divisors (73242184).

97381892 is a wasteful number, since it uses less digits than its factorization.

97381892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29398 (or 29396 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 97381892 is about 9868.2263857291. The cubic root of 97381892 is about 460.0722822771.

The spelling of 97381892 in words is "ninety-seven million, three hundred eighty-one thousand, eight hundred ninety-two".