3974851 has 4 divisors (see below), whose sum is σ = 4103104. Its totient is φ = 3846600.

The previous prime is 3974849. The next prime is 3974881. The reversal of 3974851 is 1584793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3974851 - 2¹ = 3974849 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 3974851.

It is not an unprimeable number, because it can be changed into a prime (3974801) 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, 64080 + ... + 64141.

It is an arithmetic number, because the mean of its divisors is an integer number (1025776).

Almost surely, 2^3974851 is an apocalyptic number.

3974851 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3974851 is a deficient number, since it is larger than the sum of its proper divisors (128253).

3974851 is a wasteful number, since it uses less digits than its factorization.

3974851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128252.

The product of its digits is 30240, while the sum is 37.

The square root of 3974851 is about 1993.7028364328. The cubic root of 3974851 is about 158.4067259626.

The spelling of 3974851 in words is "three million, nine hundred seventy-four thousand, eight hundred fifty-one".