1830258 has 12 divisors (see below), whose sum is σ = 3965598. Its totient is φ = 610080.

The previous prime is 1830253. The next prime is 1830263. The reversal of 1830258 is 8520381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1830253) and next prime (1830263).

It can be written as a sum of positive squares in only one way, i.e., 1656369 + 173889 = 1287^2 + 417^2 .

It is not an unprimeable number, because it can be changed into a prime (1830253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50823 + ... + 50858.

2^1830258 is an apocalyptic number.

1830258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1830258 is an abundant number, since it is smaller than the sum of its proper divisors (2135340).

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

1830258 is a wasteful number, since it uses less digits than its factorization.

1830258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101689 (or 101686 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1830258 is about 1352.8702820300. The cubic root of 1830258 is about 122.3218679884.

It can be divided in two parts, 18 and 30258, that multiplied together give a square (544644 = 738²).

The spelling of 1830258 in words is "one million, eight hundred thirty thousand, two hundred fifty-eight".