1898460000 has 360 divisors, whose sum is σ = 6908101200. Its totient is φ = 494208000.

The previous prime is 1898459963. The next prime is 1898460007. The reversal of 1898460000 is 648981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898460007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9539901 + ... + 9540099.

It is an arithmetic number, because the mean of its divisors is an integer number (19189170).

Almost surely, 2^1898460000 is an apocalyptic number.

1898460000 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 1898460000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3454050600).

1898460000 is an abundant number, since it is smaller than the sum of its proper divisors (5009641200).

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

1898460000 is a wasteful number, since it uses less digits than its factorization.

1898460000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1898460000 is about 43571.3208429582. The cubic root of 1898460000 is about 1238.2276100602.

The spelling of 1898460000 in words is "one billion, eight hundred ninety-eight million, four hundred sixty thousand".