3974251 has 4 divisors (see below), whose sum is σ = 3983904. Its totient is φ = 3964600.

The previous prime is 3974237. The next prime is 3974261. The reversal of 3974251 is 1524793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1524793 = 83 ⋅18371.

It is a cyclic number.

It is not a de Polignac number, because 3974251 - 2⁵ = 3974219 is a prime.

It is a super-2 number, since 2×3974251² = 31589342022002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3974221) 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, 4180 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (995976).

Almost surely, 2^3974251 is an apocalyptic number.

3974251 is a deficient number, since it is larger than the sum of its proper divisors (9653).

3974251 is an equidigital number, since it uses as much as digits as its factorization.

3974251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652.

The product of its digits is 7560, while the sum is 31.

The square root of 3974251 is about 1993.5523569749. The cubic root of 3974251 is about 158.3987551130.

It can be divided in two parts, 39742 and 51, that added together give a palindrome (39793).

The spelling of 3974251 in words is "three million, nine hundred seventy-four thousand, two hundred fifty-one".