1097820472 has 16 divisors (see below), whose sum is σ = 2352472560. Its totient is φ = 470494464.

The previous prime is 1097820457. The next prime is 1097820511. The reversal of 1097820472 is 2740287901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9801913 + ... + 9802024.

It is an arithmetic number, because the mean of its divisors is an integer number (147029535).

Almost surely, 2^1097820472 is an apocalyptic number.

It is an amenable number.

1097820472 is an abundant number, since it is smaller than the sum of its proper divisors (1254652088).

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

1097820472 is a wasteful number, since it uses less digits than its factorization.

1097820472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19603950 (or 19603946 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1097820472 is about 33133.3739905854. The cubic root of 1097820472 is about 1031.5978818145.

The spelling of 1097820472 in words is "one billion, ninety-seven million, eight hundred twenty thousand, four hundred seventy-two".