3874520 has 32 divisors (see below), whose sum is σ = 9389520. Its totient is φ = 1430400.

The previous prime is 3874513. The next prime is 3874531. The reversal of 3874520 is 254783.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3206 + ... + 4245.

Almost surely, 2^3874520 is an apocalyptic number.

It is an amenable number.

3874520 is an abundant number, since it is smaller than the sum of its proper divisors (5515000).

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

3874520 is a wasteful number, since it uses less digits than its factorization.

3874520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475 (or 7471 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3874520 is about 1968.3800446052. The cubic root of 3874520 is about 157.0625469207.

The spelling of 3874520 in words is "three million, eight hundred seventy-four thousand, five hundred twenty".