3973974 has 32 divisors (see below), whose sum is σ = 8283264. Its totient is φ = 1270080.

The previous prime is 3973973. The next prime is 3973997. The reversal of 3973974 is 4793793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18729 + ... + 18939.

It is an arithmetic number, because the mean of its divisors is an integer number (258852).

Almost surely, 2^3973974 is an apocalyptic number.

3973974 is an abundant number, since it is smaller than the sum of its proper divisors (4309290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3973974 is a wasteful number, since it uses less digits than its factorization.

3973974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its digits is 142884, while the sum is 42.

The square root of 3973974 is about 1993.4828817926. The cubic root of 3973974 is about 158.3950749668.

It can be divided in two parts, 397 and 3974, that added together give a triangular number (4371 = T₉₃).

The spelling of 3973974 in words is "three million, nine hundred seventy-three thousand, nine hundred seventy-four".