38179942 has 4 divisors (see below), whose sum is σ = 57269916. Its totient is φ = 19089970.

The previous prime is 38179927. The next prime is 38179969. The reversal of 38179942 is 24997183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24997183 = 71 ⋅352073.

It is a super-2 number, since 2×38179942² = 2915415942246728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9544984 + ... + 9544987.

It is an arithmetic number, because the mean of its divisors is an integer number (14317479).

Almost surely, 2^38179942 is an apocalyptic number.

38179942 is a deficient number, since it is larger than the sum of its proper divisors (19089974).

38179942 is a wasteful number, since it uses less digits than its factorization.

38179942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19089973.

The product of its digits is 108864, while the sum is 43.

The square root of 38179942 is about 6178.9919889898. The cubic root of 38179942 is about 336.7273724252.

The spelling of 38179942 in words is "thirty-eight million, one hundred seventy-nine thousand, nine hundred forty-two".