1596897397 has 16 divisors (see below), whose sum is σ = 1743224112. Its totient is φ = 1456865280.

The previous prime is 1596897361. The next prime is 1596897437. The reversal of 1596897397 is 7937986951.

It can be written as a sum of positive squares in 8 ways, for example, as 349465636 + 1247431761 = 18694^2 + 35319^2 .

It is a cyclic number.

It is not a de Polignac number, because 1596897397 - 2¹⁵ = 1596864629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1596897317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102133 + ... + 116725.

It is an arithmetic number, because the mean of its divisors is an integer number (108951507).

Almost surely, 2^1596897397 is an apocalyptic number.

1596897397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1596897397 is a deficient number, since it is larger than the sum of its proper divisors (146326715).

1596897397 is a wasteful number, since it uses less digits than its factorization.

1596897397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14808.

The product of its digits is 25719120, while the sum is 64.

The square root of 1596897397 is about 39961.1986431839. The cubic root of 1596897397 is about 1168.8506005773.

The spelling of 1596897397 in words is "one billion, five hundred ninety-six million, eight hundred ninety-seven thousand, three hundred ninety-seven".