1840252 has 6 divisors (see below), whose sum is σ = 3220448. Its totient is φ = 920124.

The previous prime is 1840231. The next prime is 1840259. The reversal of 1840252 is 2520481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230028 + ... + 230035.

2^1840252 is an apocalyptic number.

It is an amenable number.

1840252 is a deficient number, since it is larger than the sum of its proper divisors (1380196).

1840252 is a wasteful number, since it uses less digits than its factorization.

1840252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460067 (or 460065 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1840252 is about 1356.5588818772. The cubic root of 1840252 is about 122.5441073987.

The spelling of 1840252 in words is "one million, eight hundred forty thousand, two hundred fifty-two".