38485813 has 8 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 37061808.

The previous prime is 38485801. The next prime is 38485873. The reversal of 38485813 is 31858483.

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

It is a cyclic number.

It is not a de Polignac number, because 38485813 - 2⁵ = 38485781 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 (38485873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11220 + ... + 14242.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^38485813 is an apocalyptic number.

It is an amenable number.

38485813 is a deficient number, since it is larger than the sum of its proper divisors (1430987).

38485813 is a wasteful number, since it uses less digits than its factorization.

38485813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491.

The product of its digits is 92160, while the sum is 40.

The square root of 38485813 is about 6203.6934966196. The cubic root of 38485813 is about 337.6241898701.

The spelling of 38485813 in words is "thirty-eight million, four hundred eighty-five thousand, eight hundred thirteen".