1098706464 has 384 divisors, whose sum is σ = 3715891200. Its totient is φ = 313528320.

The previous prime is 1098706439. The next prime is 1098706471. The reversal of 1098706464 is 4646078901.

1098706464 is a `hidden beast` number, since 109 + 87 + 0 + 6 + 464 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8651169 + ... + 8651295.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2^1098706464 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 1098706464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857945600).

1098706464 is an abundant number, since it is smaller than the sum of its proper divisors (2617184736).

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

1098706464 is a wasteful number, since it uses less digits than its factorization.

1098706464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1098706464 is about 33146.7413783014. The cubic root of 1098706464 is about 1031.8753229588.

The spelling of 1098706464 in words is "one billion, ninety-eight million, seven hundred six thousand, four hundred sixty-four".