1840936 has 8 divisors (see below), whose sum is σ = 3451770. Its totient is φ = 920464.

The previous prime is 1840921. The next prime is 1840939. The reversal of 1840936 is 6390481.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 820836 = 1010^2 + 906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1840898 and 1840907.

It is not an unprimeable number, because it can be changed into a prime (1840939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115051 + ... + 115066.

2^1840936 is an apocalyptic number.

It is an amenable number.

1840936 is a deficient number, since it is larger than the sum of its proper divisors (1610834).

1840936 is a wasteful number, since it uses less digits than its factorization.

1840936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230123 (or 230119 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1840936 is about 1356.8109669368. The cubic root of 1840936 is about 122.5592882520.

The spelling of 1840936 in words is "one million, eight hundred forty thousand, nine hundred thirty-six".