3812440 has 16 divisors (see below), whose sum is σ = 8578080. Its totient is φ = 1524960.

The previous prime is 3812399. The next prime is 3812441. The reversal of 3812440 is 442183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812441) 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, 47616 + ... + 47695.

It is an arithmetic number, because the mean of its divisors is an integer number (536130).

Almost surely, 2^3812440 is an apocalyptic number.

It is an amenable number.

3812440 is an abundant number, since it is smaller than the sum of its proper divisors (4765640).

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

3812440 is a wasteful number, since it uses less digits than its factorization.

3812440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95322 (or 95318 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3812440 is about 1952.5470544906. The cubic root of 3812440 is about 156.2191747191.

The spelling of 3812440 in words is "three million, eight hundred twelve thousand, four hundred forty".