38902842 has 96 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 11139120.

The previous prime is 38902841. The next prime is 38902883. The reversal of 38902842 is 24820983.

It is a super-2 number, since 2×38902842² = 3026862231353928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38902797 and 38902806.

It is not an unprimeable number, because it can be changed into a prime (38902841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101383 + ... + 101765.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^38902842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38902842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50319360).

38902842 is an abundant number, since it is smaller than the sum of its proper divisors (61735878).

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

38902842 is a wasteful number, since it uses less digits than its factorization.

38902842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38902842 is about 6237.2142820333. The cubic root of 38902842 is about 338.8393004493.

The spelling of 38902842 in words is "thirty-eight million, nine hundred two thousand, eight hundred forty-two".