1597480 has 16 divisors (see below), whose sum is σ = 3594420. Its totient is φ = 638976.

The previous prime is 1597469. The next prime is 1597489. The reversal of 1597480 is 847951.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1572516 + 24964 = 1254^2 + 158^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1597489) 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, 19929 + ... + 20008.

2^1597480 is an apocalyptic number.

1597480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1597480 is an abundant number, since it is smaller than the sum of its proper divisors (1996940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1597480 is a wasteful number, since it uses less digits than its factorization.

1597480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39948 (or 39944 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1597480 is about 1263.9145540740. The cubic root of 1597480 is about 116.8992728905.

The spelling of 1597480 in words is "one million, five hundred ninety-seven thousand, four hundred eighty".