93306642 has 64 divisors (see below), whose sum is σ = 232170624. Its totient is φ = 24560640.

The previous prime is 93306623. The next prime is 93306643. The reversal of 93306642 is 24660339.

It is a super-2 number, since 2×93306642² = 17412258882632328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (93306643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11388 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (3627666).

Almost surely, 2^93306642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93306642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116085312).

93306642 is an abundant number, since it is smaller than the sum of its proper divisors (138863982).

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

93306642 is a wasteful number, since it uses less digits than its factorization.

93306642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 93306642 is about 9659.5363242756. The cubic root of 93306642 is about 453.5628963955.

The spelling of 93306642 in words is "ninety-three million, three hundred six thousand, six hundred forty-two".