38630815 has 8 divisors (see below), whose sum is σ = 47487888. Its totient is φ = 30150720.

The previous prime is 38630807. The next prime is 38630831. The reversal of 38630815 is 51803683.

It is a happy number.

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

It is not a de Polignac number, because 38630815 - 2³ = 38630807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94017 + ... + 94426.

It is an arithmetic number, because the mean of its divisors is an integer number (5935986).

Almost surely, 2^38630815 is an apocalyptic number.

38630815 is a deficient number, since it is larger than the sum of its proper divisors (8857073).

38630815 is a wasteful number, since it uses less digits than its factorization.

38630815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188489.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 38630815 is about 6215.3692569308. The cubic root of 38630815 is about 338.0476777625.

The spelling of 38630815 in words is "thirty-eight million, six hundred thirty thousand, eight hundred fifteen".