1597966 has 16 divisors (see below), whose sum is σ = 2599344. Its totient is φ = 733824.

The previous prime is 1597961. The next prime is 1597969. The reversal of 1597966 is 6697951.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916 + ... + 2008.

It is an arithmetic number, because the mean of its divisors is an integer number (162459).

2^1597966 is an apocalyptic number.

1597966 is a deficient number, since it is larger than the sum of its proper divisors (1001378).

1597966 is a wasteful number, since it uses less digits than its factorization.

1597966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its digits is 102060, while the sum is 43.

The square root of 1597966 is about 1264.1067992856. The cubic root of 1597966 is about 116.9111264111.

The spelling of 1597966 in words is "one million, five hundred ninety-seven thousand, nine hundred sixty-six".