1828413 has 10 divisors (see below), whose sum is σ = 2731454. Its totient is φ = 1218888.

The previous prime is 1828399. The next prime is 1828423. The reversal of 1828413 is 3148281.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 700569 = 1062^2 + 837^2 .

It is not a de Polignac number, because 1828413 - 2⁴ = 1828397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828423) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11206 + ... + 11367.

2^1828413 is an apocalyptic number.

It is an amenable number.

1828413 is a deficient number, since it is larger than the sum of its proper divisors (903041).

1828413 is an equidigital number, since it uses as much as digits as its factorization.

1828413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22585 (or 22576 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1828413 is about 1352.1882265424. The cubic root of 1828413 is about 122.2807517956.

The spelling of 1828413 in words is "one million, eight hundred twenty-eight thousand, four hundred thirteen".