3942485 has 4 divisors (see below), whose sum is σ = 4730988. Its totient is φ = 3153984.

The previous prime is 3942479. The next prime is 3942493. The reversal of 3942485 is 5842493.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 2745649 = 1094^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 3942485 - 2⁴ = 3942469 is a prime.

It is a super-3 number, since 3×3942485³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394244 + ... + 394253.

It is an arithmetic number, because the mean of its divisors is an integer number (1182747).

Almost surely, 2^3942485 is an apocalyptic number.

It is an amenable number.

3942485 is a deficient number, since it is larger than the sum of its proper divisors (788503).

3942485 is an equidigital number, since it uses as much as digits as its factorization.

3942485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788502.

The product of its digits is 34560, while the sum is 35.

The square root of 3942485 is about 1985.5691879156. The cubic root of 3942485 is about 157.9756011034.

It can be divided in two parts, 39 and 42485, that added together give a palindrome (42524).

The spelling of 3942485 in words is "three million, nine hundred forty-two thousand, four hundred eighty-five".