1990092 has 24 divisors (see below), whose sum is σ = 5001136. Its totient is φ = 612288.

The previous prime is 1990081. The next prime is 1990103. The reversal of 1990092 is 2900991.

It is an interprime number because it is at equal distance from previous prime (1990081) and next prime (1990103).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6223 + ... + 6534.

2^1990092 is an apocalyptic number.

1990092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1990092 is an abundant number, since it is smaller than the sum of its proper divisors (3011044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1990092 is a wasteful number, since it uses less digits than its factorization.

1990092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777 (or 12775 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 1990092 is about 1410.7062061251. The cubic root of 1990092 is about 125.7837055100.

The spelling of 1990092 in words is "one million, nine hundred ninety thousand, ninety-two".