3974522 has 4 divisors (see below), whose sum is σ = 5961786. Its totient is φ = 1987260.

The previous prime is 3974501. The next prime is 3974527. The reversal of 3974522 is 2254793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3916441 + 58081 = 1979^2 + 241^2 .

It is not an unprimeable number, because it can be changed into a prime (3974527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993629 + ... + 993632.

Almost surely, 2^3974522 is an apocalyptic number.

3974522 is a deficient number, since it is larger than the sum of its proper divisors (1987264).

3974522 is a wasteful number, since it uses less digits than its factorization.

3974522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987263.

The product of its digits is 15120, while the sum is 32.

The square root of 3974522 is about 1993.6203249365. The cubic root of 3974522 is about 158.4023553794.

The spelling of 3974522 in words is "three million, nine hundred seventy-four thousand, five hundred twenty-two".