1598355 has 24 divisors (see below), whose sum is σ = 3023280. Its totient is φ = 774720.

The previous prime is 1598341. The next prime is 1598371. The reversal of 1598355 is 5538951.

It is a happy number.

It is not a de Polignac number, because 1598355 - 2⁷ = 1598227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (125970).

2^1598355 is an apocalyptic number.

1598355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1598355 is a deficient number, since it is larger than the sum of its proper divisors (1424925).

1598355 is a wasteful number, since it uses less digits than its factorization.

1598355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251 (or 3248 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 1598355 is about 1264.2606535046. The cubic root of 1598355 is about 116.9206123739.

It can be divided in two parts, 1598 and 355, that added together give a triangular number (1953 = T₆₂).

The spelling of 1598355 in words is "one million, five hundred ninety-eight thousand, three hundred fifty-five".