38464190 has 16 divisors (see below), whose sum is σ = 69306192. Its totient is φ = 15369984.

The previous prime is 38464187. The next prime is 38464199. The reversal of 38464190 is 9146483.

It is a super-2 number, since 2×38464190² = 2958987824712200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38464190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38464199) 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, 18062 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (4331637).

Almost surely, 2^38464190 is an apocalyptic number.

38464190 is a deficient number, since it is larger than the sum of its proper divisors (30842002).

38464190 is a wasteful number, since it uses less digits than its factorization.

38464190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38464190 is about 6201.9504996412. The cubic root of 38464190 is about 337.5609473837.

The spelling of 38464190 in words is "thirty-eight million, four hundred sixty-four thousand, one hundred ninety".