1598461 has 4 divisors (see below), whose sum is σ = 1600992. Its totient is φ = 1595932.

The previous prime is 1598449. The next prime is 1598501. The reversal of 1598461 is 1648951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1598461 - 2¹⁵ = 1565693 is a prime.

It is a Duffinian number.

1598461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1590461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570 + ... + 1876.

It is an arithmetic number, because the mean of its divisors is an integer number (400248).

2^1598461 is an apocalyptic number.

It is an amenable number.

1598461 is a deficient number, since it is larger than the sum of its proper divisors (2531).

1598461 is a wasteful number, since it uses less digits than its factorization.

1598461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530.

The product of its digits is 8640, while the sum is 34.

The square root of 1598461 is about 1264.3025745446. The cubic root of 1598461 is about 116.9231969710.

The spelling of 1598461 in words is "one million, five hundred ninety-eight thousand, four hundred sixty-one".