38999942 has 8 divisors (see below), whose sum is σ = 59744736. Its totient is φ = 19085032.

The previous prime is 38999911. The next prime is 38999959. The reversal of 38999942 is 24999983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207353 + ... + 207540.

It is an arithmetic number, because the mean of its divisors is an integer number (7468092).

Almost surely, 2^38999942 is an apocalyptic number.

38999942 is a deficient number, since it is larger than the sum of its proper divisors (20744794).

38999942 is a wasteful number, since it uses less digits than its factorization.

38999942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414942.

The product of its digits is 1259712, while the sum is 53.

The square root of 38999942 is about 6244.9933546802. The cubic root of 38999942 is about 339.1209761900.

The spelling of 38999942 in words is "thirty-eight million, nine hundred ninety-nine thousand, nine hundred forty-two".