1992039 has 16 divisors (see below), whose sum is σ = 3141120. Its totient is φ = 1098720.

The previous prime is 1992031. The next prime is 1992041. The reversal of 1992039 is 9302991.

It is not a de Polignac number, because 1992039 - 2³ = 1992031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (196320).

2^1992039 is an apocalyptic number.

1992039 is a deficient number, since it is larger than the sum of its proper divisors (1149081).

1992039 is a wasteful number, since it uses less digits than its factorization.

1992039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 1992039 is about 1411.3961173250. The cubic root of 1992039 is about 125.8247121656.

The spelling of 1992039 in words is "one million, nine hundred ninety-two thousand, thirty-nine".