38394513 has 16 divisors (see below), whose sum is σ = 57333760. Its totient is φ = 25392528.

The previous prime is 38394481. The next prime is 38394529. The reversal of 38394513 is 31549383.

It is not a de Polignac number, because 38394513 - 2⁵ = 38394481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38394563) 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, 2170 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (3583360).

Almost surely, 2^38394513 is an apocalyptic number.

It is an amenable number.

38394513 is a deficient number, since it is larger than the sum of its proper divisors (18939247).

38394513 is a wasteful number, since it uses less digits than its factorization.

38394513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333 (or 11327 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 38394513 is about 6196.3306077065. The cubic root of 38394513 is about 337.3569962058.

The spelling of 38394513 in words is "thirty-eight million, three hundred ninety-four thousand, five hundred thirteen".