1860828 has 12 divisors (see below), whose sum is σ = 4341960. Its totient is φ = 620272.

The previous prime is 1860821. The next prime is 1860829. The reversal of 1860828 is 8280681.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 77523 + ... + 77546.

It is an arithmetic number, because the mean of its divisors is an integer number (361830).

2^1860828 is an apocalyptic number.

It is an amenable number.

1860828 is an abundant number, since it is smaller than the sum of its proper divisors (2481132).

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

1860828 is a wasteful number, since it uses less digits than its factorization.

1860828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155076 (or 155074 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1860828 is about 1364.1216954510. The cubic root of 1860828 is about 122.9991407171. Note that the first 3 decimals are identical.

The spelling of 1860828 in words is "one million, eight hundred sixty thousand, eight hundred twenty-eight".