93999906 has 256 divisors, whose sum is σ = 294174720. Its totient is φ = 21461760.

The previous prime is 93999883. The next prime is 93999911. The reversal of 93999906 is 60999939.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1999975 + ... + 2000021.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^93999906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93999906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147087360).

93999906 is an abundant number, since it is smaller than the sum of its proper divisors (200174814).

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

93999906 is a wasteful number, since it uses less digits than its factorization.

93999906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 54.

The square root of 93999906 is about 9695.3548671516. The cubic root of 93999906 is about 454.6834428164.

It can be divided in two parts, 93 and 999906, that added together give a palindrome (999999).

The spelling of 93999906 in words is "ninety-three million, nine hundred ninety-nine thousand, nine hundred six".