1598098 has 8 divisors (see below), whose sum is σ = 2455740. Its totient is φ = 779520.

The previous prime is 1598089. The next prime is 1598099. The reversal of 1598098 is 8908951.

It can be written as a sum of positive squares in 2 ways, for example, as 1075369 + 522729 = 1037^2 + 723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1598098.

It is not an unprimeable number, because it can be changed into a prime (1598099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9663 + ... + 9826.

2^1598098 is an apocalyptic number.

1598098 is a deficient number, since it is larger than the sum of its proper divisors (857642).

1598098 is a wasteful number, since it uses less digits than its factorization.

1598098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19532.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 1598098 is about 1264.1590089858. The cubic root of 1598098 is about 116.9143454707.

It can be divided in two parts, 15 and 98098, that multiplied together give a triangular number (1471470 = T₁₇₁₅).

The spelling of 1598098 in words is "one million, five hundred ninety-eight thousand, ninety-eight".