1828398 has 32 divisors (see below), whose sum is σ = 4298112. Its totient is φ = 511200.

The previous prime is 1828397. The next prime is 1828399. The reversal of 1828398 is 8938281.

It is an interprime number because it is at equal distance from previous prime (1828397) and next prime (1828399).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208 + ... + 1923.

It is an arithmetic number, because the mean of its divisors is an integer number (134316).

2^1828398 is an apocalyptic number.

1828398 is an abundant number, since it is smaller than the sum of its proper divisors (2469714).

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

1828398 is a wasteful number, since it uses less digits than its factorization.

1828398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160.

The product of its digits is 27648, while the sum is 39.

The square root of 1828398 is about 1352.1826799660. The cubic root of 1828398 is about 122.2804174043.

It can be divided in two parts, 18283 and 98, that added together give a palindrome (18381).

The spelling of 1828398 in words is "one million, eight hundred twenty-eight thousand, three hundred ninety-eight".