3942481 has 12 divisors (see below), whose sum is σ = 4248912. Its totient is φ = 3656664.

The previous prime is 3942479. The next prime is 3942493. The reversal of 3942481 is 1842493.

It is not a de Polignac number, because 3942481 - 2¹ = 3942479 is a prime.

It is a super-2 number, since 2×3942481² = 31086312870722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3942401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24106 + ... + 24268.

It is an arithmetic number, because the mean of its divisors is an integer number (354076).

Almost surely, 2^3942481 is an apocalyptic number.

It is an amenable number.

3942481 is a deficient number, since it is larger than the sum of its proper divisors (306431).

3942481 is a wasteful number, since it uses less digits than its factorization.

3942481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 249 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 3942481 is about 1985.5681806475. The cubic root of 3942481 is about 157.9755476767.

The spelling of 3942481 in words is "three million, nine hundred forty-two thousand, four hundred eighty-one".