89938507 has 4 divisors (see below), whose sum is σ = 89958880. Its totient is φ = 89918136.

The previous prime is 89938493. The next prime is 89938547. The reversal of 89938507 is 70583998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70583998 = 2 ⋅35291999.

It is a cyclic number.

It is not a de Polignac number, because 89938507 - 2¹¹ = 89936459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89938547) 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, 483 + ... + 13420.

It is an arithmetic number, because the mean of its divisors is an integer number (22489720).

Almost surely, 2^89938507 is an apocalyptic number.

89938507 is a deficient number, since it is larger than the sum of its proper divisors (20373).

89938507 is a wasteful number, since it uses less digits than its factorization.

89938507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20372.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 89938507 is about 9483.5914610447. The cubic root of 89938507 is about 448.0383865784.

The spelling of 89938507 in words is "eighty-nine million, nine hundred thirty-eight thousand, five hundred seven".