1098977464 has 64 divisors (see below), whose sum is σ = 2268917280. Its totient is φ = 495936000.

The previous prime is 1098977449. The next prime is 1098977501. The reversal of 1098977464 is 4647798901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338174 + ... + 1338994.

Almost surely, 2^1098977464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098977464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134458640).

1098977464 is an abundant number, since it is smaller than the sum of its proper divisors (1169939816).

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

1098977464 is a wasteful number, since it uses less digits than its factorization.

1098977464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 1098977464 is about 33150.8290092420. The cubic root of 1098977464 is about 1031.9601546020.

The spelling of 1098977464 in words is "one billion, ninety-eight million, nine hundred seventy-seven thousand, four hundred sixty-four".