3920142 has 8 divisors (see below), whose sum is σ = 7840296. Its totient is φ = 1306712.

The previous prime is 3920141. The next prime is 3920153. The reversal of 3920142 is 2410293.

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

3920142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326673 + ... + 326684.

It is an arithmetic number, because the mean of its divisors is an integer number (980037).

Almost surely, 2^3920142 is an apocalyptic number.

3920142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3920142 is a wasteful number, since it uses less digits than its factorization.

3920142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653362.

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

The square root of 3920142 is about 1979.9348474129. The cubic root of 3920142 is about 157.6766071343.

The spelling of 3920142 in words is "three million, nine hundred twenty thousand, one hundred forty-two".