1198591460 has 192 divisors, whose sum is σ = 3089560320. Its totient is φ = 385351680.

The previous prime is 1198591447. The next prime is 1198591529. The reversal of 1198591460 is 641958911.

It is a super-3 number, since 3×1198591460³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 4663652 + ... + 4663908.

It is an arithmetic number, because the mean of its divisors is an integer number (16091460).

Almost surely, 2^1198591460 is an apocalyptic number.

1198591460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1198591460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544780160).

1198591460 is an abundant number, since it is smaller than the sum of its proper divisors (1890968860).

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

1198591460 is a wasteful number, since it uses less digits than its factorization.

1198591460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 1198591460 is about 34620.6796582621. The cubic root of 1198591460 is about 1062.2426294266.

The spelling of 1198591460 in words is "one billion, one hundred ninety-eight million, five hundred ninety-one thousand, four hundred sixty".