3974906 has 36 divisors (see below), whose sum is σ = 7130382. Its totient is φ = 1651584.

The previous prime is 3974897. The next prime is 3974911. The reversal of 3974906 is 6094793.

It can be written as a sum of positive squares in 3 ways, for example, as 3644281 + 330625 = 1909^2 + 575^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3974906.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 172811 + ... + 172833.

Almost surely, 2^3974906 is an apocalyptic number.

3974906 is a deficient number, since it is larger than the sum of its proper divisors (3155476).

3974906 is a wasteful number, since it uses less digits than its factorization.

3974906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3974906 is about 1993.7166298148. The cubic root of 3974906 is about 158.4074565836.

The spelling of 3974906 in words is "three million, nine hundred seventy-four thousand, nine hundred six".