38699613 has 40 divisors (see below), whose sum is σ = 60821376. Its totient is φ = 24494400.

The previous prime is 38699611. The next prime is 38699629. The reversal of 38699613 is 31699683.

It is not a de Polignac number, because 38699613 - 2¹ = 38699611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38699611) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142668 + ... + 142938.

Almost surely, 2^38699613 is an apocalyptic number.

It is an amenable number.

38699613 is a deficient number, since it is larger than the sum of its proper divisors (22121763).

38699613 is a wasteful number, since it uses less digits than its factorization.

38699613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 358 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 38699613 is about 6220.9013012585. The cubic root of 38699613 is about 338.2482362335.

It can be divided in two parts, 386 and 99613, that added together give a palindrome (99999).

The spelling of 38699613 in words is "thirty-eight million, six hundred ninety-nine thousand, six hundred thirteen".