38965545 has 24 divisors (see below), whose sum is σ = 67706496. Its totient is φ = 20730528.

The previous prime is 38965529. The next prime is 38965559. The reversal of 38965545 is 54556983.

38965545 is a `hidden beast` number, since 3 + 8 + 96 + 554 + 5 = 666.

It is not a de Polignac number, because 38965545 - 2⁴ = 38965529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38965545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23824 + ... + 25406.

It is an arithmetic number, because the mean of its divisors is an integer number (2821104).

Almost surely, 2^38965545 is an apocalyptic number.

It is an amenable number.

38965545 is a deficient number, since it is larger than the sum of its proper divisors (28740951).

38965545 is a wasteful number, since it uses less digits than its factorization.

38965545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2138 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 38965545 is about 6242.2387810785. The cubic root of 38965545 is about 339.0212480482.

The spelling of 38965545 in words is "thirty-eight million, nine hundred sixty-five thousand, five hundred forty-five".