1842887898 has 12 divisors (see below), whose sum is σ = 3992923818. Its totient is φ = 614295960.

The previous prime is 1842887887. The next prime is 1842887899. The reversal of 1842887898 is 8987882481.

It can be written as a sum of positive squares in only one way, i.e., 1361831409 + 481056489 = 36903^2 + 21933^2 .

It is not an unprimeable number, because it can be changed into a prime (1842887899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51191313 + ... + 51191348.

Almost surely, 2^1842887898 is an apocalyptic number.

1842887898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1842887898 is an abundant number, since it is smaller than the sum of its proper divisors (2150035920).

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

1842887898 is a wasteful number, since it uses less digits than its factorization.

1842887898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102382669 (or 102382666 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 63.

The square root of 1842887898 is about 42928.8702157418. The cubic root of 1842887898 is about 1226.0258845939.

The spelling of 1842887898 in words is "one billion, eight hundred forty-two million, eight hundred eighty-seven thousand, eight hundred ninety-eight".