1098964884 has 12 divisors (see below), whose sum is σ = 2564251424. Its totient is φ = 366321624.

The previous prime is 1098964879. The next prime is 1098964901. The reversal of 1098964884 is 4884698901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 45790192 + ... + 45790215.

Almost surely, 2^1098964884 is an apocalyptic number.

It is an amenable number.

1098964884 is an abundant number, since it is smaller than the sum of its proper divisors (1465286540).

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

1098964884 is a wasteful number, since it uses less digits than its factorization.

1098964884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91580414 (or 91580412 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The square root of 1098964884 is about 33150.6392698542. The cubic root of 1098964884 is about 1031.9562169695.

The spelling of 1098964884 in words is "one billion, ninety-eight million, nine hundred sixty-four thousand, eight hundred eighty-four".