1840764 has 24 divisors (see below), whose sum is σ = 4321408. Its totient is φ = 609840.

The previous prime is 1840747. The next prime is 1840771. The reversal of 1840764 is 4670481.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169 + ... + 2895.

2^1840764 is an apocalyptic number.

It is an amenable number.

1840764 is an abundant number, since it is smaller than the sum of its proper divisors (2480644).

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

1840764 is a wasteful number, since it uses less digits than its factorization.

1840764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1840764 is about 1356.7475815346. The cubic root of 1840764 is about 122.5554711984. Note that the first 3 decimals are identical.

The spelling of 1840764 in words is "one million, eight hundred forty thousand, seven hundred sixty-four".