3821290 has 16 divisors (see below), whose sum is σ = 7503840. Its totient is φ = 1389520.

The previous prime is 3821273. The next prime is 3821317. The reversal of 3821290 is 921283.

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, 17260 + ... + 17479.

It is an arithmetic number, because the mean of its divisors is an integer number (468990).

Almost surely, 2^3821290 is an apocalyptic number.

3821290 is a deficient number, since it is larger than the sum of its proper divisors (3682550).

3821290 is a wasteful number, since it uses less digits than its factorization.

3821290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34757.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3821290 is about 1954.8120114221. The cubic root of 3821290 is about 156.3399609950.

The spelling of 3821290 in words is "three million, eight hundred twenty-one thousand, two hundred ninety".