1828738 has 4 divisors (see below), whose sum is σ = 2743110. Its totient is φ = 914368.

The previous prime is 1828727. The next prime is 1828759. The reversal of 1828738 is 8378281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1734489 + 94249 = 1317^2 + 307^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1828697 and 1828706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457183 + ... + 457186.

2^1828738 is an apocalyptic number.

1828738 is a deficient number, since it is larger than the sum of its proper divisors (914372).

1828738 is an equidigital number, since it uses as much as digits as its factorization.

1828738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914371.

The product of its digits is 21504, while the sum is 37.

The square root of 1828738 is about 1352.3083967794. The cubic root of 1828738 is about 122.2879964917.

The spelling of 1828738 in words is "one million, eight hundred twenty-eight thousand, seven hundred thirty-eight".