3974626 has 4 divisors (see below), whose sum is σ = 5961942. Its totient is φ = 1987312.

The previous prime is 3974623. The next prime is 3974657. The reversal of 3974626 is 6264793.

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., 3243601 + 731025 = 1801^2 + 855^2 .

It is not an unprimeable number, because it can be changed into a prime (3974623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993655 + ... + 993658.

Almost surely, 2^3974626 is an apocalyptic number.

3974626 is a deficient number, since it is larger than the sum of its proper divisors (1987316).

3974626 is a wasteful number, since it uses less digits than its factorization.

3974626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987315.

The product of its digits is 54432, while the sum is 37.

The square root of 3974626 is about 1993.6464079671. The cubic root of 3974626 is about 158.4037369880.

The spelling of 3974626 in words is "three million, nine hundred seventy-four thousand, six hundred twenty-six".