3974013 has 6 divisors (see below), whose sum is σ = 5740254. Its totient is φ = 2649336.

The previous prime is 3973997. The next prime is 3974023. The reversal of 3974013 is 3104793.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 356409 = 1902^2 + 597^2 .

It is not a de Polignac number, because 3974013 - 2⁴ = 3973997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220770 + ... + 220787.

It is an arithmetic number, because the mean of its divisors is an integer number (956709).

Almost surely, 2^3974013 is an apocalyptic number.

It is an amenable number.

3974013 is a deficient number, since it is larger than the sum of its proper divisors (1766241).

3974013 is a wasteful number, since it uses less digits than its factorization.

3974013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441563 (or 441560 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 3974013 is about 1993.4926636434. The cubic root of 3974013 is about 158.3955931204.

The spelling of 3974013 in words is "three million, nine hundred seventy-four thousand, thirteen".