97890174 has 32 divisors (see below), whose sum is σ = 218695680. Its totient is φ = 32455800.

The previous prime is 97890161. The next prime is 97890187. The reversal of 97890174 is 47109879.

It is an interprime number because it is at equal distance from previous prime (97890161) and next prime (97890187).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5569 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (6834240).

Almost surely, 2^97890174 is an apocalyptic number.

97890174 is an abundant number, since it is smaller than the sum of its proper divisors (120805506).

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

97890174 is a wasteful number, since it uses less digits than its factorization.

97890174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9693 (or 9687 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 97890174 is about 9893.9463309642. The cubic root of 97890174 is about 460.8713383747.

The spelling of 97890174 in words is "ninety-seven million, eight hundred ninety thousand, one hundred seventy-four".