5821990 has 32 divisors (see below), whose sum is σ = 11586240. Its totient is φ = 2095104.

The previous prime is 5821979. The next prime is 5822021. The reversal of 5821990 is 991285.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3166 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (362070).

Almost surely, 2^5821990 is an apocalyptic number.

5821990 is a deficient number, since it is larger than the sum of its proper divisors (5764250).

5821990 is a wasteful number, since it uses less digits than its factorization.

5821990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 5821990 is about 2412.8800218826. The cubic root of 5821990 is about 179.8969574846.

The spelling of 5821990 in words is "five million, eight hundred twenty-one thousand, nine hundred ninety".