1990832 has 10 divisors (see below), whose sum is σ = 3857268. Its totient is φ = 995408.

The previous prime is 1990831. The next prime is 1990867. The reversal of 1990832 is 2380991.

It is not an unprimeable number, because it can be changed into a prime (1990831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62198 + ... + 62229.

2^1990832 is an apocalyptic number.

It is an amenable number.

1990832 is a deficient number, since it is larger than the sum of its proper divisors (1866436).

1990832 is a wasteful number, since it uses less digits than its factorization.

1990832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124435 (or 124429 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1990832 is about 1410.9684617312. The cubic root of 1990832 is about 125.7992941373.

The spelling of 1990832 in words is "one million, nine hundred ninety thousand, eight hundred thirty-two".