3915142 has 16 divisors (see below), whose sum is σ = 7322112. Its totient is φ = 1525320.

The previous prime is 3915139. The next prime is 3915143. The reversal of 3915142 is 2415193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915143) 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, 12558 + ... + 12865.

It is an arithmetic number, because the mean of its divisors is an integer number (457632).

Almost surely, 2^3915142 is an apocalyptic number.

3915142 is a deficient number, since it is larger than the sum of its proper divisors (3406970).

3915142 is a wasteful number, since it uses less digits than its factorization.

3915142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25443.

The product of its digits is 1080, while the sum is 25.

The square root of 3915142 is about 1978.6717767230. The cubic root of 3915142 is about 157.6095416677.

It can be divided in two parts, 39151 and 42, that added together give a palindrome (39193).

The spelling of 3915142 in words is "three million, nine hundred fifteen thousand, one hundred forty-two".