3974399 has 8 divisors (see below), whose sum is σ = 4669392. Its totient is φ = 3335040.

The previous prime is 3974393. The next prime is 3974419. The reversal of 3974399 is 9934793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3974399 - 2⁸ = 3974143 is a prime.

It is a super-2 number, since 2×3974399² = 31591694822402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13754 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (583674).

Almost surely, 2^3974399 is an apocalyptic number.

3974399 is a deficient number, since it is larger than the sum of its proper divisors (694993).

3974399 is a wasteful number, since it uses less digits than its factorization.

3974399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27817.

The product of its digits is 183708, while the sum is 44.

The square root of 3974399 is about 1993.5894762965. The cubic root of 3974399 is about 158.4007213304.

The spelling of 3974399 in words is "three million, nine hundred seventy-four thousand, three hundred ninety-nine".