3842490 has 32 divisors (see below), whose sum is σ = 9273600. Its totient is φ = 1018944.

The previous prime is 3842483. The next prime is 3842507. The reversal of 3842490 is 942483.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 10287 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (289800).

Almost surely, 2^3842490 is an apocalyptic number.

3842490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3842490 is an abundant number, since it is smaller than the sum of its proper divisors (5431110).

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

3842490 is a wasteful number, since it uses less digits than its factorization.

3842490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3842490 is about 1960.2270276680. The cubic root of 3842490 is about 156.6285456266.

The spelling of 3842490 in words is "three million, eight hundred forty-two thousand, four hundred ninety".