1828990 has 8 divisors (see below), whose sum is σ = 3292200. Its totient is φ = 731592.

The previous prime is 1828973. The next prime is 1828993. The reversal of 1828990 is 998281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91440 + ... + 91459.

It is an arithmetic number, because the mean of its divisors is an integer number (411525).

2^1828990 is an apocalyptic number.

1828990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1828990 is a deficient number, since it is larger than the sum of its proper divisors (1463210).

1828990 is a wasteful number, since it uses less digits than its factorization.

1828990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182906.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1828990 is about 1352.4015675826. The cubic root of 1828990 is about 122.2936133269.

The spelling of 1828990 in words is "one million, eight hundred twenty-eight thousand, nine hundred ninety".