38893513 has 8 divisors (see below), whose sum is σ = 41152320. Its totient is φ = 36655920.

The previous prime is 38893511. The next prime is 38893531. The reversal of 38893513 is 31539883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38893513 - 2¹ = 38893511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38893511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453 + ... + 8938.

It is an arithmetic number, because the mean of its divisors is an integer number (5144040).

Almost surely, 2^38893513 is an apocalyptic number.

It is an amenable number.

38893513 is a deficient number, since it is larger than the sum of its proper divisors (2258807).

38893513 is a wasteful number, since it uses less digits than its factorization.

38893513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10607.

The product of its digits is 77760, while the sum is 40.

The square root of 38893513 is about 6236.4663873062. The cubic root of 38893513 is about 338.8122134433.

The spelling of 38893513 in words is "thirty-eight million, eight hundred ninety-three thousand, five hundred thirteen".