1853140 has 12 divisors (see below), whose sum is σ = 3891636. Its totient is φ = 741248.

The previous prime is 1853107. The next prime is 1853161. The reversal of 1853140 is 413581.

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 767376 = 1042^2 + 876^2 .

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, 46309 + ... + 46348.

It is an arithmetic number, because the mean of its divisors is an integer number (324303).

2^1853140 is an apocalyptic number.

1853140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1853140 is an abundant number, since it is smaller than the sum of its proper divisors (2038496).

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

1853140 is a wasteful number, since it uses less digits than its factorization.

1853140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92666 (or 92664 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1853140 is about 1361.3008484534. The cubic root of 1853140 is about 122.8295168253.

The spelling of 1853140 in words is "one million, eight hundred fifty-three thousand, one hundred forty".