3974831 has 6 divisors (see below), whose sum is σ = 4623840. Its totient is φ = 3406956.

The previous prime is 3974801. The next prime is 3974833. The reversal of 3974831 is 1384793.

It is not a de Polignac number, because 3974831 - 2¹⁰ = 3973807 is a prime.

It is a super-2 number, since 2×3974831² = 31598562957122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3974791 and 3974800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40511 + ... + 40608.

It is an arithmetic number, because the mean of its divisors is an integer number (770640).

Almost surely, 2^3974831 is an apocalyptic number.

3974831 is a deficient number, since it is larger than the sum of its proper divisors (649009).

3974831 is an equidigital number, since it uses as much as digits as its factorization.

3974831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81133 (or 81126 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 3974831 is about 1993.6978206338. The cubic root of 3974831 is about 158.4064602805.

The spelling of 3974831 in words is "three million, nine hundred seventy-four thousand, eight hundred thirty-one".