1597119406 has 8 divisors (see below), whose sum is σ = 2397147480. Its totient is φ = 798070248.

The previous prime is 1597119397. The next prime is 1597119409. The reversal of 1597119406 is 6049117951.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597119409) 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, 240636 + ... + 247183.

It is an arithmetic number, because the mean of its divisors is an integer number (299643435).

Almost surely, 2^1597119406 is an apocalyptic number.

1597119406 is a deficient number, since it is larger than the sum of its proper divisors (800028074).

1597119406 is a wasteful number, since it uses less digits than its factorization.

1597119406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489458.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1597119406 is about 39963.9763537114. The cubic root of 1597119406 is about 1168.9047646350.

The spelling of 1597119406 in words is "one billion, five hundred ninety-seven million, one hundred nineteen thousand, four hundred six".