38199378 has 32 divisors (see below), whose sum is σ = 90132480. Its totient is φ = 10561680.

The previous prime is 38199361. The next prime is 38199383. The reversal of 38199378 is 87399183.

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, 13368 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (2816640).

Almost surely, 2^38199378 is an apocalyptic number.

38199378 is an abundant number, since it is smaller than the sum of its proper divisors (51933102).

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

38199378 is a wasteful number, since it uses less digits than its factorization.

38199378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29382.

The product of its digits is 326592, while the sum is 48.

The square root of 38199378 is about 6180.5645373218. The cubic root of 38199378 is about 336.7845012267.

The spelling of 38199378 in words is "thirty-eight million, one hundred ninety-nine thousand, three hundred seventy-eight".