38639674 has 8 divisors (see below), whose sum is σ = 61368948. Its totient is φ = 18183360.

The previous prime is 38639651. The next prime is 38639677. The reversal of 38639674 is 47693683.

It can be written as a sum of positive squares in 2 ways, for example, as 37908649 + 731025 = 6157^2 + 855^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38639677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568197 + ... + 568264.

Almost surely, 2^38639674 is an apocalyptic number.

38639674 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

38639674 is a deficient number, since it is larger than the sum of its proper divisors (22729274).

38639674 is a wasteful number, since it uses less digits than its factorization.

38639674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136480.

The product of its digits is 653184, while the sum is 46.

The square root of 38639674 is about 6216.0818849175. The cubic root of 38639674 is about 338.0735166814.

The spelling of 38639674 in words is "thirty-eight million, six hundred thirty-nine thousand, six hundred seventy-four".