38654645 has 16 divisors (see below), whose sum is σ = 49563840. Its totient is φ = 28854144.

The previous prime is 38654639. The next prime is 38654647. The reversal of 38654645 is 54645683.

It is a cyclic number.

It is not a de Polignac number, because 38654645 - 2¹⁴ = 38638261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38654647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3329 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (3097740).

Almost surely, 2^38654645 is an apocalyptic number.

It is an amenable number.

38654645 is a deficient number, since it is larger than the sum of its proper divisors (10909195).

38654645 is a wasteful number, since it uses less digits than its factorization.

38654645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164.

The product of its digits is 345600, while the sum is 41.

The square root of 38654645 is about 6217.2859834497. The cubic root of 38654645 is about 338.1171734083.

The spelling of 38654645 in words is "thirty-eight million, six hundred fifty-four thousand, six hundred forty-five".