1990282 has 24 divisors (see below), whose sum is σ = 3627936. Its totient is φ = 814968.

The previous prime is 1990279. The next prime is 1990319. The reversal of 1990282 is 2820991.

It is a super-2 number, since 2×1990282² = 7922444879048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1813 + ... + 2695.

It is an arithmetic number, because the mean of its divisors is an integer number (151164).

2^1990282 is an apocalyptic number.

1990282 is a deficient number, since it is larger than the sum of its proper divisors (1637654).

1990282 is a wasteful number, since it uses less digits than its factorization.

1990282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1990282 is about 1410.7735466757. The cubic root of 1990282 is about 125.7877083640.

The spelling of 1990282 in words is "one million, nine hundred ninety thousand, two hundred eighty-two".