38913406 has 16 divisors (see below), whose sum is σ = 70220160. Its totient is φ = 15799320.

The previous prime is 38913403. The next prime is 38913431. The reversal of 38913406 is 60431983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38913403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72880 + ... + 73411.

It is an arithmetic number, because the mean of its divisors is an integer number (4388760).

Almost surely, 2^38913406 is an apocalyptic number.

38913406 is a deficient number, since it is larger than the sum of its proper divisors (31306754).

38913406 is a wasteful number, since it uses less digits than its factorization.

38913406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146319.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 38913406 is about 6238.0610769693. The cubic root of 38913406 is about 338.8699680838.

The spelling of 38913406 in words is "thirty-eight million, nine hundred thirteen thousand, four hundred six".