1097365698 has 96 divisors (see below), whose sum is σ = 2886844800. Its totient is φ = 306931680.

The previous prime is 1097365681. The next prime is 1097365733. The reversal of 1097365698 is 8965637901.

1097365698 is a `hidden beast` number, since 1 + 0 + 9 + 73 + 6 + 569 + 8 = 666.

It is a super-2 number, since 2×1097365698² = 2408422950294054408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78483 + ... + 91401.

It is an arithmetic number, because the mean of its divisors is an integer number (30071300).

Almost surely, 2^1097365698 is an apocalyptic number.

1097365698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097365698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443422400).

1097365698 is an abundant number, since it is smaller than the sum of its proper divisors (1789479102).

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

1097365698 is a wasteful number, since it uses less digits than its factorization.

1097365698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12965 (or 12948 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 1097365698 is about 33126.5105014096. The cubic root of 1097365698 is about 1031.4554150806.

The spelling of 1097365698 in words is "one billion, ninety-seven million, three hundred sixty-five thousand, six hundred ninety-eight".