1596949 has 4 divisors (see below), whose sum is σ = 1600236. Its totient is φ = 1593664.

The previous prime is 1596941. The next prime is 1596961. The reversal of 1596949 is 9496951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9496951 = 193 ⋅49207.

It can be written as a sum of positive squares in 2 ways, for example, as 819025 + 777924 = 905^2 + 882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1596949 - 2³ = 1596941 is a prime.

It is a super-2 number, since 2×1596949² = 5100492217202, which contains 22 as substring.

It is a Duffinian number.

1596949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1596941) 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, 754 + ... + 1939.

It is an arithmetic number, because the mean of its divisors is an integer number (400059).

2^1596949 is an apocalyptic number.

It is an amenable number.

1596949 is a deficient number, since it is larger than the sum of its proper divisors (3287).

1596949 is an equidigital number, since it uses as much as digits as its factorization.

1596949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286.

The product of its digits is 87480, while the sum is 43.

The square root of 1596949 is about 1263.7044749466. The cubic root of 1596949 is about 116.8863190730.

The spelling of 1596949 in words is "one million, five hundred ninety-six thousand, nine hundred forty-nine".