38799215 has 32 divisors (see below), whose sum is σ = 57697920. Its totient is φ = 24390144.

The previous prime is 38799193. The next prime is 38799217. The reversal of 38799215 is 51299783.

It is a cyclic number.

It is not a de Polignac number, because 38799215 - 2²⁰ = 37750639 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38799217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122237 + ... + 122553.

It is an arithmetic number, because the mean of its divisors is an integer number (1803060).

Almost surely, 2^38799215 is an apocalyptic number.

38799215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38799215 is a deficient number, since it is larger than the sum of its proper divisors (18898705).

38799215 is a wasteful number, since it uses less digits than its factorization.

38799215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its digits is 136080, while the sum is 44.

The square root of 38799215 is about 6228.9015885628. The cubic root of 38799215 is about 338.5381731469.

The spelling of 38799215 in words is "thirty-eight million, seven hundred ninety-nine thousand, two hundred fifteen".