3902142 has 32 divisors (see below), whose sum is σ = 8098560. Its totient is φ = 1252800.

The previous prime is 3902141. The next prime is 3902149. The reversal of 3902142 is 2412093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25767 + ... + 25917.

It is an arithmetic number, because the mean of its divisors is an integer number (253080).

Almost surely, 2^3902142 is an apocalyptic number.

3902142 is an abundant number, since it is smaller than the sum of its proper divisors (4196418).

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

3902142 is a wasteful number, since it uses less digits than its factorization.

3902142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3902142 is about 1975.3840132997. The cubic root of 3902142 is about 157.4349038119.

The spelling of 3902142 in words is "three million, nine hundred two thousand, one hundred forty-two".