1098455396 has 12 divisors (see below), whose sum is σ = 1941330300. Its totient is φ = 543789600.

The previous prime is 1098455387. The next prime is 1098455401. The reversal of 1098455396 is 6935548901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 943104100 + 155351296 = 30710^2 + 12464^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359071 + ... + 1359878.

It is an arithmetic number, because the mean of its divisors is an integer number (161777525).

Almost surely, 2^1098455396 is an apocalyptic number.

It is an amenable number.

1098455396 is a deficient number, since it is larger than the sum of its proper divisors (842874904).

1098455396 is a wasteful number, since it uses less digits than its factorization.

1098455396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719054 (or 2719052 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 1098455396 is about 33142.9539419769. The cubic root of 1098455396 is about 1031.7967182182.

The spelling of 1098455396 in words is "one billion, ninety-eight million, four hundred fifty-five thousand, three hundred ninety-six".