97100190 has 48 divisors (see below), whose sum is σ = 275414256. Its totient is φ = 23539200.

The previous prime is 97100189. The next prime is 97100191. The reversal of 97100190 is 9100179.

It is an interprime number because it is at equal distance from previous prime (97100189) and next prime (97100191).

It is a super-2 number, since 2×97100190² = 18856893796072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97100191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48051 + ... + 50030.

It is an arithmetic number, because the mean of its divisors is an integer number (5737797).

Almost surely, 2^97100190 is an apocalyptic number.

97100190 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97100190 is an abundant number, since it is smaller than the sum of its proper divisors (178314066).

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

97100190 is a wasteful number, since it uses less digits than its factorization.

97100190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98105 (or 98102 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 97100190 is about 9853.9428656756. The cubic root of 97100190 is about 459.6282282857.

Subtracting from 97100190 its reverse (9100179), we obtain a triangular number (88000011 = T₁₃₂₆₆).

The spelling of 97100190 in words is "ninety-seven million, one hundred thousand, one hundred ninety".