93444021 has 24 divisors (see below), whose sum is σ = 147813120. Its totient is φ = 56414400.

The previous prime is 93444007. The next prime is 93444041. The reversal of 93444021 is 12044439.

It is not a de Polignac number, because 93444021 - 2⁵ = 93443989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93444041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26140 + ... + 29498.

It is an arithmetic number, because the mean of its divisors is an integer number (6158880).

Almost surely, 2^93444021 is an apocalyptic number.

It is an amenable number.

93444021 is a deficient number, since it is larger than the sum of its proper divisors (54369099).

93444021 is a wasteful number, since it uses less digits than its factorization.

93444021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 93444021 is about 9666.6447643430. The cubic root of 93444021 is about 453.7853866717.

The spelling of 93444021 in words is "ninety-three million, four hundred forty-four thousand, twenty-one".