93620639 has 4 divisors (see below), whose sum is σ = 106995024. Its totient is φ = 80246256.

The previous prime is 93620629. The next prime is 93620647. The reversal of 93620639 is 93602639.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93602639 = 13 ⋅7200203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93620639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93620629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6687182 + ... + 6687195.

It is an arithmetic number, because the mean of its divisors is an integer number (26748756).

Almost surely, 2^93620639 is an apocalyptic number.

93620639 is a deficient number, since it is larger than the sum of its proper divisors (13374385).

93620639 is a wasteful number, since it uses less digits than its factorization.

93620639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374384.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 93620639 is about 9675.7758862016. The cubic root of 93620639 is about 454.0711057743.

The spelling of 93620639 in words is "ninety-three million, six hundred twenty thousand, six hundred thirty-nine".