93668431 has 4 divisors (see below), whose sum is σ = 94041864. Its totient is φ = 93295000.

The previous prime is 93668429. The next prime is 93668473. The reversal of 93668431 is 13486639.

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

It is a cyclic number.

It is not a de Polignac number, because 93668431 - 2¹ = 93668429 is a prime.

It is a super-2 number, since 2×93668431² = 17547549932003522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93668411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186340 + ... + 186841.

It is an arithmetic number, because the mean of its divisors is an integer number (23510466).

Almost surely, 2^93668431 is an apocalyptic number.

93668431 is a deficient number, since it is larger than the sum of its proper divisors (373433).

93668431 is a wasteful number, since it uses less digits than its factorization.

93668431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373432.

The product of its digits is 93312, while the sum is 40.

The square root of 93668431 is about 9678.2452438446. The cubic root of 93668431 is about 454.1483582366.

The spelling of 93668431 in words is "ninety-three million, six hundred sixty-eight thousand, four hundred thirty-one".