3974480 has 20 divisors (see below), whose sum is σ = 9240852. Its totient is φ = 1589760.

The previous prime is 3974459. The next prime is 3974483. The reversal of 3974480 is 844793.

It can be written as a sum of positive squares in 2 ways, for example, as 2274064 + 1700416 = 1508^2 + 1304^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3974480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974483) 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, 24761 + ... + 24920.

Almost surely, 2^3974480 is an apocalyptic number.

It is an amenable number.

3974480 is an abundant number, since it is smaller than the sum of its proper divisors (5266372).

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

3974480 is a wasteful number, since it uses less digits than its factorization.

3974480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49694 (or 49688 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3974480 is about 1993.6097913082. The cubic root of 3974480 is about 158.4017974152.

The spelling of 3974480 in words is "three million, nine hundred seventy-four thousand, four hundred eighty".