1098936812 has 12 divisors (see below), whose sum is σ = 1923605376. Its totient is φ = 549335280.

The previous prime is 1098936809. The next prime is 1098936857. The reversal of 1098936812 is 2186398901.

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, 13388 + ... + 48755.

It is an arithmetic number, because the mean of its divisors is an integer number (160300448).

Almost surely, 2^1098936812 is an apocalyptic number.

It is an amenable number.

1098936812 is a deficient number, since it is larger than the sum of its proper divisors (824668564).

1098936812 is a wasteful number, since it uses less digits than its factorization.

1098936812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66568 (or 66566 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 1098936812 is about 33150.2158665671. The cubic root of 1098936812 is about 1031.9474301187.

The spelling of 1098936812 in words is "one billion, ninety-eight million, nine hundred thirty-six thousand, eight hundred twelve".