93431868 has 48 divisors (see below), whose sum is σ = 222265344. Its totient is φ = 30542400.

The previous prime is 93431867. The next prime is 93431887. The reversal of 93431868 is 86813439.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93431867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153621 + ... + 154227.

It is an arithmetic number, because the mean of its divisors is an integer number (4630528).

Almost surely, 2^93431868 is an apocalyptic number.

It is an amenable number.

93431868 is an abundant number, since it is smaller than the sum of its proper divisors (128833476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93431868 is a wasteful number, since it uses less digits than its factorization.

93431868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 840 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 93431868 is about 9666.0161390306. The cubic root of 93431868 is about 453.7657132429.

It can be divided in two parts, 9343 and 1868, that added together give a palindrome (11211).

The spelling of 93431868 in words is "ninety-three million, four hundred thirty-one thousand, eight hundred sixty-eight".