38412993 has 16 divisors (see below), whose sum is σ = 52793856. Its totient is φ = 24825600.

The previous prime is 38412977. The next prime is 38413007. The reversal of 38412993 is 39921483.

It is not a de Polignac number, because 38412993 - 2⁴ = 38412977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38412943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44080 + ... + 44942.

It is an arithmetic number, because the mean of its divisors is an integer number (3299616).

Almost surely, 2^38412993 is an apocalyptic number.

It is an amenable number.

38412993 is a deficient number, since it is larger than the sum of its proper divisors (14380863).

38412993 is a wasteful number, since it uses less digits than its factorization.

38412993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its digits is 46656, while the sum is 39.

The square root of 38412993 is about 6197.8216334451. The cubic root of 38412993 is about 337.4111129431.

The spelling of 38412993 in words is "thirty-eight million, four hundred twelve thousand, nine hundred ninety-three".