3974566 has 24 divisors (see below), whose sum is σ = 6584760. Its totient is φ = 1792896.

The previous prime is 3974563. The next prime is 3974567. The reversal of 3974566 is 6654793.

Its product of digits (136080) is a multiple of the sum of its prime factors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974563) 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, 28525 + ... + 28663.

It is an arithmetic number, because the mean of its divisors is an integer number (274365).

Almost surely, 2^3974566 is an apocalyptic number.

3974566 is a deficient number, since it is larger than the sum of its proper divisors (2610194).

3974566 is a wasteful number, since it uses less digits than its factorization.

3974566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 187 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 3974566 is about 1993.6313601065. The cubic root of 3974566 is about 158.4029399090.

The spelling of 3974566 in words is "three million, nine hundred seventy-four thousand, five hundred sixty-six".