38719967 has 16 divisors (see below), whose sum is σ = 47886720. Its totient is φ = 30780000.

The previous prime is 38719957. The next prime is 38719969. The reversal of 38719967 is 76991783.

It is not a de Polignac number, because 38719967 - 2¹⁴ = 38703583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38719969) 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, 4409 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (2992920).

Almost surely, 2^38719967 is an apocalyptic number.

38719967 is a deficient number, since it is larger than the sum of its proper divisors (9166753).

38719967 is a wasteful number, since it uses less digits than its factorization.

38719967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14294.

The product of its digits is 571536, while the sum is 50.

The square root of 38719967 is about 6222.5370227906. The cubic root of 38719967 is about 338.3075262144.

The spelling of 38719967 in words is "thirty-eight million, seven hundred nineteen thousand, nine hundred sixty-seven".