1097806598 has 16 divisors (see below), whose sum is σ = 1925721600. Its totient is φ = 459546696.

The previous prime is 1097806579. The next prime is 1097806609. The reversal of 1097806598 is 8956087901.

It is a super-2 number, since 2×1097806598² = 2410358653224667208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911198 + ... + 912401.

It is an arithmetic number, because the mean of its divisors is an integer number (120357600).

Almost surely, 2^1097806598 is an apocalyptic number.

1097806598 is a deficient number, since it is larger than the sum of its proper divisors (827915002).

1097806598 is a wasteful number, since it uses less digits than its factorization.

1097806598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823651.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 1097806598 is about 33133.1646239836. The cubic root of 1097806598 is about 1031.5935360981.

The spelling of 1097806598 in words is "one billion, ninety-seven million, eight hundred six thousand, five hundred ninety-eight".