93993907 has 6 divisors (see below), whose sum is σ = 109339908. Its totient is φ = 80566164.

The previous prime is 93993899. The next prime is 93993929. The reversal of 93993907 is 70939939.

It is a happy number.

It is not a de Polignac number, because 93993907 - 2³ = 93993899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1918243 = 93993907 / (9 + 3 + 9 + 9 + 3 + 9 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93993967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 959073 + ... + 959170.

It is an arithmetic number, because the mean of its divisors is an integer number (18223318).

Almost surely, 2^93993907 is an apocalyptic number.

93993907 is a deficient number, since it is larger than the sum of its proper divisors (15346001).

93993907 is a wasteful number, since it uses less digits than its factorization.

93993907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918257 (or 1918250 counting only the distinct ones).

The product of its (nonzero) digits is 413343, while the sum is 49.

The square root of 93993907 is about 9695.0454872579. The cubic root of 93993907 is about 454.6737700975.

The spelling of 93993907 in words is "ninety-three million, nine hundred ninety-three thousand, nine hundred seven".