1992028 has 12 divisors (see below), whose sum is σ = 3499272. Its totient is φ = 992240.

The previous prime is 1991999. The next prime is 1992031. The reversal of 1992028 is 8202991.

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, 483 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (291606).

2^1992028 is an apocalyptic number.

It is an amenable number.

1992028 is a deficient number, since it is larger than the sum of its proper divisors (1507244).

1992028 is a wasteful number, since it uses less digits than its factorization.

1992028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1890 counting only the distinct ones).

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

The square root of 1992028 is about 1411.3922204689. The cubic root of 1992028 is about 125.8244805647.

The spelling of 1992028 in words is "one million, nine hundred ninety-two thousand, twenty-eight".