38099942 has 4 divisors (see below), whose sum is σ = 57149916. Its totient is φ = 19049970.

The previous prime is 38099933. The next prime is 38099989. The reversal of 38099942 is 24999083.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 38099893 and 38099902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9524984 + ... + 9524987.

It is an arithmetic number, because the mean of its divisors is an integer number (14287479).

Almost surely, 2^38099942 is an apocalyptic number.

38099942 is a deficient number, since it is larger than the sum of its proper divisors (19049974).

38099942 is a wasteful number, since it uses less digits than its factorization.

38099942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049973.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 38099942 is about 6172.5150465592. The cubic root of 38099942 is about 336.4920217392.

The spelling of 38099942 in words is "thirty-eight million, ninety-nine thousand, nine hundred forty-two".