5821142 has 8 divisors (see below), whose sum is σ = 8742000. Its totient is φ = 2907144.

The previous prime is 5821129. The next prime is 5821159. The reversal of 5821142 is 2411285.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159 + ... + 4037.

It is an arithmetic number, because the mean of its divisors is an integer number (1092750).

Almost surely, 2^5821142 is an apocalyptic number.

5821142 is a deficient number, since it is larger than the sum of its proper divisors (2920858).

5821142 is a wasteful number, since it uses less digits than its factorization.

5821142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430.

The product of its digits is 640, while the sum is 23.

The square root of 5821142 is about 2412.7042918684. The cubic root of 5821142 is about 179.8882227835. Note that the first 3 decimals are identical.

The spelling of 5821142 in words is "five million, eight hundred twenty-one thousand, one hundred forty-two".