1098340836 has 24 divisors (see below), whose sum is σ = 2611151424. Its totient is φ = 359205600.

The previous prime is 1098340823. The next prime is 1098340853. The reversal of 1098340836 is 6380438901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862840 + ... + 864111.

It is an arithmetic number, because the mean of its divisors is an integer number (108797976).

Almost surely, 2^1098340836 is an apocalyptic number.

It is an amenable number.

1098340836 is an abundant number, since it is smaller than the sum of its proper divisors (1512810588).

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

1098340836 is a wasteful number, since it uses less digits than its factorization.

1098340836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727011 (or 1727009 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1098340836 is about 33141.2256260990. The cubic root of 1098340836 is about 1031.7608476246.

The spelling of 1098340836 in words is "one billion, ninety-eight million, three hundred forty thousand, eight hundred thirty-six".