1598742 has 12 divisors (see below), whose sum is σ = 3463980. Its totient is φ = 532908.

The previous prime is 1598711. The next prime is 1598743. The reversal of 1598742 is 2478951.

It is a junction number, because it is equal to n+sod(n) for n = 1598697 and 1598706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1598743) 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, 44392 + ... + 44427.

It is an arithmetic number, because the mean of its divisors is an integer number (288665).

2^1598742 is an apocalyptic number.

1598742 is an abundant number, since it is smaller than the sum of its proper divisors (1865238).

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

1598742 is a wasteful number, since it uses less digits than its factorization.

1598742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88827 (or 88824 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1598742 is about 1264.4136981226. The cubic root of 1598742 is about 116.9300480386.

The spelling of 1598742 in words is "one million, five hundred ninety-eight thousand, seven hundred forty-two".