1598238 has 32 divisors (see below), whose sum is σ = 3762720. Its totient is φ = 501120.

The previous prime is 1598237. The next prime is 1598239. The reversal of 1598238 is 8328951.

It is an interprime number because it is at equal distance from previous prime (1598237) and next prime (1598239).

It is an Ulam 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 (1598237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (117585).

2^1598238 is an apocalyptic number.

1598238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1598238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881360).

1598238 is an abundant number, since it is smaller than the sum of its proper divisors (2164482).

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

1598238 is a wasteful number, since it uses less digits than its factorization.

1598238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1763 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1598238 is about 1264.2143805542. The cubic root of 1598238 is about 116.9177594313.

The spelling of 1598238 in words is "one million, five hundred ninety-eight thousand, two hundred thirty-eight".