3974751 has 24 divisors (see below), whose sum is σ = 6499584. Its totient is φ = 2407320.

The previous prime is 3974749. The next prime is 3974759. The reversal of 3974751 is 1574793.

It is a happy number.

It is not a de Polignac number, because 3974751 - 2¹ = 3974749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1930 + ... + 3416.

It is an arithmetic number, because the mean of its divisors is an integer number (270816).

Almost surely, 2^3974751 is an apocalyptic number.

3974751 is a deficient number, since it is larger than the sum of its proper divisors (2524833).

3974751 is a wasteful number, since it uses less digits than its factorization.

3974751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1501 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 3974751 is about 1993.6777573118. The cubic root of 3974751 is about 158.4053975433.

The spelling of 3974751 in words is "three million, nine hundred seventy-four thousand, seven hundred fifty-one".