1597962959 has 8 divisors (see below), whose sum is σ = 1657508160. Its totient is φ = 1538714016.

The previous prime is 1597962943. The next prime is 1597962967. The reversal of 1597962959 is 9592697951.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1597962959 - 2⁴ = 1597962943 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 (1597962059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63047 + ... + 84680.

It is an arithmetic number, because the mean of its divisors is an integer number (207188520).

Almost surely, 2^1597962959 is an apocalyptic number.

1597962959 is a deficient number, since it is larger than the sum of its proper divisors (59545201).

1597962959 is a wasteful number, since it uses less digits than its factorization.

1597962959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148129.

The product of its digits is 13778100, while the sum is 62.

The square root of 1597962959 is about 39974.5288777742. The cubic root of 1597962959 is about 1169.1105224867.

The spelling of 1597962959 in words is "one billion, five hundred ninety-seven million, nine hundred sixty-two thousand, nine hundred fifty-nine".