3738840 has 64 divisors (see below), whose sum is σ = 12821760. Its totient is φ = 854400.

The previous prime is 3738829. The next prime is 3738853. The reversal of 3738840 is 488373.

3738840 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (200340).

Almost surely, 2^3738840 is an apocalyptic number.

3738840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3738840 is an abundant number, since it is smaller than the sum of its proper divisors (9082920).

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

3738840 is a wasteful number, since it uses less digits than its factorization.

3738840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472 (or 4468 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3738840 is about 1933.6080264624. The cubic root of 3738840 is about 155.2073534263.

The spelling of 3738840 in words is "three million, seven hundred thirty-eight thousand, eight hundred forty".