3974657 has 2 divisors, whose sum is σ = 3974658. Its totient is φ = 3974656.

The previous prime is 3974623. The next prime is 3974681. The reversal of 3974657 is 7564793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 303601 = 1916^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 3974657 - 2¹⁰ = 3973633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3974687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987328 + 1987329.

It is an arithmetic number, because the mean of its divisors is an integer number (1987329).

Almost surely, 2^3974657 is an apocalyptic number.

It is an amenable number.

3974657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974657 is an equidigital number, since it uses as much as digits as its factorization.

3974657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 3974657 is about 1993.6541826505. The cubic root of 3974657 is about 158.4041488090.

The spelling of 3974657 in words is "three million, nine hundred seventy-four thousand, six hundred fifty-seven".