38946340 has 24 divisors (see below), whose sum is σ = 82942272. Its totient is φ = 15358560.

The previous prime is 38946331. The next prime is 38946359. The reversal of 38946340 is 4364983.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38946340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12294 + ... + 15133.

It is an arithmetic number, because the mean of its divisors is an integer number (3455928).

Almost surely, 2^38946340 is an apocalyptic number.

It is an amenable number.

38946340 is an abundant number, since it is smaller than the sum of its proper divisors (43995932).

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

38946340 is a wasteful number, since it uses less digits than its factorization.

38946340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27507 (or 27505 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 38946340 is about 6240.7002812184. The cubic root of 38946340 is about 338.9655409439.

The spelling of 38946340 in words is "thirty-eight million, nine hundred forty-six thousand, three hundred forty".