93721394 has 16 divisors (see below), whose sum is σ = 151811520. Its totient is φ = 43137360.

The previous prime is 93721387. The next prime is 93721399. The reversal of 93721394 is 49312739.

It is not an unprimeable number, because it can be changed into a prime (93721399) 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, 5099 + ... + 14609.

It is an arithmetic number, because the mean of its divisors is an integer number (9488220).

Almost surely, 2^93721394 is an apocalyptic number.

93721394 is a deficient number, since it is larger than the sum of its proper divisors (58090126).

93721394 is a wasteful number, since it uses less digits than its factorization.

93721394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9905.

The product of its digits is 40824, while the sum is 38.

The square root of 93721394 is about 9680.9810453280. The cubic root of 93721394 is about 454.2339385729.

The spelling of 93721394 in words is "ninety-three million, seven hundred twenty-one thousand, three hundred ninety-four".