38419864 has 32 divisors (see below), whose sum is σ = 87173280. Its totient is φ = 15496704.

The previous prime is 38419837. The next prime is 38419883. The reversal of 38419864 is 46891483.

It is a super-3 number, since 3×38419864³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38419864.

It is a congruent number.

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, 19227 + ... + 21130.

It is an arithmetic number, because the mean of its divisors is an integer number (2724165).

Almost surely, 2^38419864 is an apocalyptic number.

38419864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38419864 is an abundant number, since it is smaller than the sum of its proper divisors (48753416).

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

38419864 is a wasteful number, since it uses less digits than its factorization.

38419864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40387 (or 40383 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 38419864 is about 6198.3759163187. The cubic root of 38419864 is about 337.4312295179.

The spelling of 38419864 in words is "thirty-eight million, four hundred nineteen thousand, eight hundred sixty-four".