1097400898 has 64 divisors (see below), whose sum is σ = 2011651200. Its totient is φ = 442506240.

The previous prime is 1097400877. The next prime is 1097401013. The reversal of 1097400898 is 8980047901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2764036 + ... + 2764432.

It is an arithmetic number, because the mean of its divisors is an integer number (31432050).

Almost surely, 2^1097400898 is an apocalyptic number.

1097400898 is a deficient number, since it is larger than the sum of its proper divisors (914250302).

1097400898 is a wasteful number, since it uses less digits than its factorization.

1097400898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 1097400898 is about 33127.0417936767. The cubic root of 1097400898 is about 1031.4664435653.

The spelling of 1097400898 in words is "one billion, ninety-seven million, four hundred thousand, eight hundred ninety-eight".