1840492 has 24 divisors (see below), whose sum is σ = 3454640. Its totient is φ = 855360.

The previous prime is 1840469. The next prime is 1840493. The reversal of 1840492 is 2940481.

1840492 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a self number, because there is not a number n which added to its sum of digits gives 1840492.

It is not an unprimeable number, because it can be changed into a prime (1840493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4438 + ... + 4834.

2^1840492 is an apocalyptic number.

It is an amenable number.

1840492 is a deficient number, since it is larger than the sum of its proper divisors (1614148).

1840492 is a wasteful number, since it uses less digits than its factorization.

1840492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1840492 is about 1356.6473381097. The cubic root of 1840492 is about 122.5494344422.

It can be divided in two parts, 18404 and 92, that added together give a square (18496 = 136²).

The spelling of 1840492 in words is "one million, eight hundred forty thousand, four hundred ninety-two".