1097946500 has 48 divisors (see below), whose sum is σ = 2740483200. Its totient is φ = 376437600.

The previous prime is 1097946497. The next prime is 1097946557. The reversal of 1097946500 is 56497901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153350 + ... + 160349.

It is an arithmetic number, because the mean of its divisors is an integer number (57093400).

Almost surely, 2^1097946500 is an apocalyptic number.

1097946500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097946500 is an abundant number, since it is smaller than the sum of its proper divisors (1642536700).

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

1097946500 is a wasteful number, since it uses less digits than its factorization.

1097946500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313725 (or 313713 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1097946500 is about 33135.2757646590. The cubic root of 1097946500 is about 1031.6373555556.

The spelling of 1097946500 in words is "one billion, ninety-seven million, nine hundred forty-six thousand, five hundred".