38630687 has 4 divisors (see below), whose sum is σ = 38831040. Its totient is φ = 38430336.

The previous prime is 38630677. The next prime is 38630699. The reversal of 38630687 is 78603683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38630687 - 2⁴ = 38630671 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 (38630617) 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, 99887 + ... + 100272.

It is an arithmetic number, because the mean of its divisors is an integer number (9707760).

Almost surely, 2^38630687 is an apocalyptic number.

38630687 is a deficient number, since it is larger than the sum of its proper divisors (200353).

38630687 is a wasteful number, since it uses less digits than its factorization.

38630687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200352.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 38630687 is about 6215.3589598671. The cubic root of 38630687 is about 338.0473043978.

The spelling of 38630687 in words is "thirty-eight million, six hundred thirty thousand, six hundred eighty-seven".