1098585936 has 160 divisors (see below), whose sum is σ = 3720396800. Its totient is φ = 303730560.

The previous prime is 1098585931. The next prime is 1098585937. The reversal of 1098585936 is 6395858901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098585931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87885 + ... + 99603.

It is an arithmetic number, because the mean of its divisors is an integer number (23252480).

Almost surely, 2^1098585936 is an apocalyptic number.

1098585936 is a gapful number since it is divisible by the number (16) 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 1098585936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860198400).

1098585936 is an abundant number, since it is smaller than the sum of its proper divisors (2621810864).

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

1098585936 is a wasteful number, since it uses less digits than its factorization.

1098585936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11774 (or 11762 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 1098585936 is about 33144.9232311677. The cubic root of 1098585936 is about 1031.8375893690.

The spelling of 1098585936 in words is "one billion, ninety-eight million, five hundred eighty-five thousand, nine hundred thirty-six".