93161399 has 4 divisors (see below), whose sum is σ = 93505440. Its totient is φ = 92817360.

The previous prime is 93161347. The next prime is 93161407. The reversal of 93161399 is 99316139.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93161399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93161329) 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, 171614 + ... + 172155.

It is an arithmetic number, because the mean of its divisors is an integer number (23376360).

Almost surely, 2^93161399 is an apocalyptic number.

93161399 is a deficient number, since it is larger than the sum of its proper divisors (344041).

93161399 is a wasteful number, since it uses less digits than its factorization.

93161399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344040.

The product of its digits is 39366, while the sum is 41.

The square root of 93161399 is about 9652.0152817948. The cubic root of 93161399 is about 453.3274324612.

The spelling of 93161399 in words is "ninety-three million, one hundred sixty-one thousand, three hundred ninety-nine".