38046645 has 128 divisors (see below), whose sum is σ = 88166400. Its totient is φ = 15116544.

The previous prime is 38046643. The next prime is 38046653. The reversal of 38046645 is 54664083.

38046645 is a `hidden beast` number, since 3 + 8 + 0 + 4 + 6 + 645 = 666.

It is not a de Polignac number, because 38046645 - 2¹ = 38046643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38046643) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 233334 + ... + 233496.

It is an arithmetic number, because the mean of its divisors is an integer number (688800).

Almost surely, 2^38046645 is an apocalyptic number.

38046645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38046645 is an abundant number, since it is smaller than the sum of its proper divisors (50119755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38046645 is a wasteful number, since it uses less digits than its factorization.

38046645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 38046645 is about 6168.1962517417. The cubic root of 38046645 is about 336.3350452600.

The spelling of 38046645 in words is "thirty-eight million, forty-six thousand, six hundred forty-five".