38019942 has 40 divisors (see below), whose sum is σ = 87509136. Its totient is φ = 12328848.

The previous prime is 38019941. The next prime is 38019959. The reversal of 38019942 is 24991083.

It is a junction number, because it is equal to n+sod(n) for n = 38019897 and 38019906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38019941) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2823 + ... + 9165.

Almost surely, 2^38019942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38019942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43754568).

38019942 is an abundant number, since it is smaller than the sum of its proper divisors (49489194).

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

38019942 is a wasteful number, since it uses less digits than its factorization.

38019942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394 (or 6385 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 38019942 is about 6166.0313006017. The cubic root of 38019942 is about 336.2563413719.

The spelling of 38019942 in words is "thirty-eight million, nineteen thousand, nine hundred forty-two".