3942499 has 8 divisors (see below), whose sum is σ = 4488192. Its totient is φ = 3428040.

The previous prime is 3942493. The next prime is 3942503. The reversal of 3942499 is 9942493.

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

It is not a de Polignac number, because 3942499 - 2⁵ = 3942467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3942493) 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, 7539 + ... + 8044.

It is an arithmetic number, because the mean of its divisors is an integer number (561024).

Almost surely, 2^3942499 is an apocalyptic number.

3942499 is a deficient number, since it is larger than the sum of its proper divisors (545693).

3942499 is a wasteful number, since it uses less digits than its factorization.

3942499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617.

The product of its digits is 69984, while the sum is 40.

The square root of 3942499 is about 1985.5727133500. The cubic root of 3942499 is about 157.9757880968.

The spelling of 3942499 in words is "three million, nine hundred forty-two thousand, four hundred ninety-nine".