97189473 has 8 divisors (see below), whose sum is σ = 129745600. Its totient is φ = 64713168.

The previous prime is 97189471. The next prime is 97189483. The reversal of 97189473 is 37498179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97189473 - 2¹ = 97189471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97189471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17053 + ... + 22026.

It is an arithmetic number, because the mean of its divisors is an integer number (16218200).

Almost surely, 2^97189473 is an apocalyptic number.

It is an amenable number.

97189473 is a deficient number, since it is larger than the sum of its proper divisors (32556127).

97189473 is a wasteful number, since it uses less digits than its factorization.

97189473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39911.

The product of its digits is 381024, while the sum is 48.

The square root of 97189473 is about 9858.4721432887. The cubic root of 97189473 is about 459.7690601961.

It can be divided in two parts, 9718 and 9473, that added together give a palindrome (19191).

The spelling of 97189473 in words is "ninety-seven million, one hundred eighty-nine thousand, four hundred seventy-three".