93972638 has 8 divisors (see below), whose sum is σ = 141027600. Its totient is φ = 46963440.

The previous prime is 93972629. The next prime is 93972647. The reversal of 93972638 is 83627939.

It is an interprime number because it is at equal distance from previous prime (93972629) and next prime (93972647).

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

It is a junction number, because it is equal to n+sod(n) for n = 93972592 and 93972601.

It is a congruent number.

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, 5738 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (17628450).

Almost surely, 2^93972638 is an apocalyptic number.

93972638 is a deficient number, since it is larger than the sum of its proper divisors (47054962).

93972638 is a wasteful number, since it uses less digits than its factorization.

93972638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22882.

The product of its digits is 489888, while the sum is 47.

The square root of 93972638 is about 9693.9485247241. The cubic root of 93972638 is about 454.6394728888.

The spelling of 93972638 in words is "ninety-three million, nine hundred seventy-two thousand, six hundred thirty-eight".