38313393 has 32 divisors (see below), whose sum is σ = 56391552. Its totient is φ = 23040000.

The previous prime is 38313371. The next prime is 38313397. The reversal of 38313393 is 39331383.

It is not a de Polignac number, because 38313393 - 2¹⁴ = 38297009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38313397) 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, 152518 + ... + 152768.

It is an arithmetic number, because the mean of its divisors is an integer number (1762236).

Almost surely, 2^38313393 is an apocalyptic number.

It is an amenable number.

38313393 is a deficient number, since it is larger than the sum of its proper divisors (18078159).

38313393 is a wasteful number, since it uses less digits than its factorization.

38313393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 17496, while the sum is 33.

The square root of 38313393 is about 6189.7813370102. The cubic root of 38313393 is about 337.1192391818.

The spelling of 38313393 in words is "thirty-eight million, three hundred thirteen thousand, three hundred ninety-three".