1920492 has 36 divisors (see below), whose sum is σ = 5548816. Its totient is φ = 548640.

The previous prime is 1920487. The next prime is 1920497. The reversal of 1920492 is 2940291.

It is an interprime number because it is at equal distance from previous prime (1920487) and next prime (1920497).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1920497) 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 11 ways as a sum of consecutive naturals, for example, 3559 + ... + 4062.

2^1920492 is an apocalyptic number.

1920492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1920492 is an abundant number, since it is smaller than the sum of its proper divisors (3628324).

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

1920492 is a wasteful number, since it uses less digits than its factorization.

1920492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638 (or 7633 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1920492 is about 1385.8181698910. The cubic root of 1920492 is about 124.2999157092.

The spelling of 1920492 in words is "one million, nine hundred twenty thousand, four hundred ninety-two".