898011618 has 32 divisors (see below), whose sum is σ = 2057806464. Its totient is φ = 255923712.

The previous prime is 898011589. The next prime is 898011619. The reversal of 898011618 is 816110898.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 898011618.

It is not an unprimeable number, because it can be changed into a prime (898011619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10255 + ... + 43602.

It is an arithmetic number, because the mean of its divisors is an integer number (64306452).

Almost surely, 2^898011618 is an apocalyptic number.

898011618 is an abundant number, since it is smaller than the sum of its proper divisors (1159794846).

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

898011618 is a wasteful number, since it uses less digits than its factorization.

898011618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54266.

The product of its (nonzero) digits is 27648, while the sum is 42.

The square root of 898011618 is about 29966.8419757571. The cubic root of 898011618 is about 964.7778374810. Note that the first 3 decimals are identical.

It can be divided in two parts, 89801 and 1618, that added together give a palindrome (91419).

The spelling of 898011618 in words is "eight hundred ninety-eight million, eleven thousand, six hundred eighteen".