3974401 has 4 divisors (see below), whose sum is σ = 4183600. Its totient is φ = 3765204.

The previous prime is 3974393. The next prime is 3974419. The reversal of 3974401 is 1044793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1044793 = 31 ⋅33703.

It is a cyclic number.

It is not a de Polignac number, because 3974401 - 2³ = 3974393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3974401.

It is not an unprimeable number, because it can be changed into a prime (3974441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104571 + ... + 104608.

It is an arithmetic number, because the mean of its divisors is an integer number (1045900).

Almost surely, 2^3974401 is an apocalyptic number.

It is an amenable number.

3974401 is a deficient number, since it is larger than the sum of its proper divisors (209199).

3974401 is a wasteful number, since it uses less digits than its factorization.

3974401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209198.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3974401 is about 1993.5899779042. The cubic root of 3974401 is about 158.4007479006.

The spelling of 3974401 in words is "three million, nine hundred seventy-four thousand, four hundred one".