38830645 has 16 divisors (see below), whose sum is σ = 53366400. Its totient is φ = 26570304.

The previous prime is 38830639. The next prime is 38830657. The reversal of 38830645 is 54603883.

It is a cyclic number.

It is not a de Polignac number, because 38830645 - 2⁹ = 38830133 is a prime.

It is a super-2 number, since 2×38830645² = 3015637982232050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22006 + ... + 23704.

It is an arithmetic number, because the mean of its divisors is an integer number (3335400).

Almost surely, 2^38830645 is an apocalyptic number.

38830645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38830645 is a deficient number, since it is larger than the sum of its proper divisors (14535755).

38830645 is a wasteful number, since it uses less digits than its factorization.

38830645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 38830645 is about 6231.4239945618. The cubic root of 38830645 is about 338.6295614474.

The spelling of 38830645 in words is "thirty-eight million, eight hundred thirty thousand, six hundred forty-five".