38943942 has 16 divisors (see below), whose sum is σ = 78484032. Its totient is φ = 12881960.

The previous prime is 38943941. The next prime is 38943959. The reversal of 38943942 is 24934983.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38943894 and 38943903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38943941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23988 + ... + 25559.

It is an arithmetic number, because the mean of its divisors is an integer number (4905252).

Almost surely, 2^38943942 is an apocalyptic number.

38943942 is an abundant number, since it is smaller than the sum of its proper divisors (39540090).

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

38943942 is a wasteful number, since it uses less digits than its factorization.

38943942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49683.

The product of its digits is 186624, while the sum is 42.

The square root of 38943942 is about 6240.5081523863. The cubic root of 38943942 is about 338.9585838840.

The spelling of 38943942 in words is "thirty-eight million, nine hundred forty-three thousand, nine hundred forty-two".