93998407 has 4 divisors (see below), whose sum is σ = 94030200. Its totient is φ = 93966616.

The previous prime is 93998383. The next prime is 93998419. The reversal of 93998407 is 70489939.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 93998407 - 2⁷ = 93998279 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93998477) 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, 10948 + ... + 17545.

It is an arithmetic number, because the mean of its divisors is an integer number (23507550).

Almost surely, 2^93998407 is an apocalyptic number.

93998407 is a deficient number, since it is larger than the sum of its proper divisors (31793).

93998407 is a wasteful number, since it uses less digits than its factorization.

93998407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31792.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 93998407 is about 9695.2775617823. The cubic root of 93998407 is about 454.6810258845.

The spelling of 93998407 in words is "ninety-three million, nine hundred ninety-eight thousand, four hundred seven".