97914189 has 4 divisors (see below), whose sum is σ = 130552256. Its totient is φ = 65276124.

The previous prime is 97914181. The next prime is 97914199. The reversal of 97914189 is 98141979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 97914189 - 2³ = 97914181 is a prime.

It is a super-3 number, since 3×97914189³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97914181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16319029 + ... + 16319034.

It is an arithmetic number, because the mean of its divisors is an integer number (32638064).

Almost surely, 2^97914189 is an apocalyptic number.

It is an amenable number.

97914189 is a deficient number, since it is larger than the sum of its proper divisors (32638067).

97914189 is a wasteful number, since it uses less digits than its factorization.

97914189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32638066.

The product of its digits is 163296, while the sum is 48.

The square root of 97914189 is about 9895.1598774350. The cubic root of 97914189 is about 460.9090231930.

The spelling of 97914189 in words is "ninety-seven million, nine hundred fourteen thousand, one hundred eighty-nine".