1830772 has 12 divisors (see below), whose sum is σ = 3215520. Its totient is φ = 912056.

The previous prime is 1830757. The next prime is 1830817. The reversal of 1830772 is 2770381.

It is a happy number.

It is a super-2 number, since 2×1830772² = 6703452231968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1830772.

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, 729 + ... + 2047.

It is an arithmetic number, because the mean of its divisors is an integer number (267960).

2^1830772 is an apocalyptic number.

It is an amenable number.

1830772 is a deficient number, since it is larger than the sum of its proper divisors (1384748).

1830772 is a wasteful number, since it uses less digits than its factorization.

1830772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 1830772 is about 1353.0602351706. The cubic root of 1830772 is about 122.3333176594. Note that the first 4 decimals are identical.

The spelling of 1830772 in words is "one million, eight hundred thirty thousand, seven hundred seventy-two".