3915742 has 4 divisors (see below), whose sum is σ = 5873616. Its totient is φ = 1957870.

The previous prime is 3915739. The next prime is 3915761. The reversal of 3915742 is 2475193.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978934 + ... + 978937.

It is an arithmetic number, because the mean of its divisors is an integer number (1468404).

Almost surely, 2^3915742 is an apocalyptic number.

3915742 is a deficient number, since it is larger than the sum of its proper divisors (1957874).

3915742 is a wasteful number, since it uses less digits than its factorization.

3915742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957873.

The product of its digits is 7560, while the sum is 31.

The square root of 3915742 is about 1978.8233877737. The cubic root of 3915742 is about 157.6175925374.

The spelling of 3915742 in words is "three million, nine hundred fifteen thousand, seven hundred forty-two".