1830864 has 40 divisors (see below), whose sum is σ = 5406400. Its totient is φ = 523008.

The previous prime is 1830863. The next prime is 1830887. The reversal of 1830864 is 4680381.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830863) 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, 2389 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (135160).

2^1830864 is an apocalyptic number.

1830864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1830864 is an abundant number, since it is smaller than the sum of its proper divisors (3575536).

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

1830864 is a wasteful number, since it uses less digits than its factorization.

1830864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467 (or 5461 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1830864 is about 1353.0942317518. The cubic root of 1830864 is about 122.3353667907.

The spelling of 1830864 in words is "one million, eight hundred thirty thousand, eight hundred sixty-four".