1597098 has 8 divisors (see below), whose sum is σ = 3194208. Its totient is φ = 532364.

The previous prime is 1597091. The next prime is 1597103. The reversal of 1597098 is 8907951.

It is a happy number.

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

1597098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1597091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133086 + ... + 133097.

It is an arithmetic number, because the mean of its divisors is an integer number (399276).

2^1597098 is an apocalyptic number.

1597098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1597098 is a wasteful number, since it uses less digits than its factorization.

1597098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266188.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 1597098 is about 1263.7634272284. The cubic root of 1597098 is about 116.8899542382.

The spelling of 1597098 in words is "one million, five hundred ninety-seven thousand, ninety-eight".