38513667 has 6 divisors (see below), whose sum is σ = 51365892. Its totient is φ = 25668612.

The previous prime is 38513663. The next prime is 38513689. The reversal of 38513667 is 76631583.

It is not a de Polignac number, because 38513667 - 2² = 38513663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38513663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8958 + ... + 12540.

It is an arithmetic number, because the mean of its divisors is an integer number (8560982).

Almost surely, 2^38513667 is an apocalyptic number.

38513667 is a deficient number, since it is larger than the sum of its proper divisors (12852225).

38513667 is an frugal number, since it uses more digits than its factorization.

38513667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7169 (or 3586 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 38513667 is about 6205.9380435193. The cubic root of 38513667 is about 337.7056217503.

The spelling of 38513667 in words is "thirty-eight million, five hundred thirteen thousand, six hundred sixty-seven".