38864605 has 16 divisors (see below), whose sum is σ = 50372784. Its totient is φ = 28615680.

The previous prime is 38864599. The next prime is 38864621. The reversal of 38864605 is 50646883.

It can be written as a sum of positive squares in 8 ways, for example, as 1849 + 38862756 = 43^2 + 6234^2 .

It is not a de Polignac number, because 38864605 - 2¹¹ = 38862557 is a prime.

It is a Duffinian number.

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, 29317 + ... + 30613.

It is an arithmetic number, because the mean of its divisors is an integer number (3148299).

Almost surely, 2^38864605 is an apocalyptic number.

It is an amenable number.

38864605 is a deficient number, since it is larger than the sum of its proper divisors (11508179).

38864605 is a wasteful number, since it uses less digits than its factorization.

38864605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 38864605 is about 6234.1482978832. The cubic root of 38864605 is about 338.7282507607.

It can be divided in two parts, 388 and 64605, that multiplied together give a triangular number (25066740 = T₇₀₈₀).

The spelling of 38864605 in words is "thirty-eight million, eight hundred sixty-four thousand, six hundred five".