1898416 has 20 divisors (see below), whose sum is σ = 3961552. Its totient is φ = 876096.

The previous prime is 1898389. The next prime is 1898417. The reversal of 1898416 is 6148981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1898417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4356 + ... + 4771.

2^1898416 is an apocalyptic number.

1898416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1898416 is an abundant number, since it is smaller than the sum of its proper divisors (2063136).

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

1898416 is a wasteful number, since it uses less digits than its factorization.

1898416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148 (or 9142 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 1898416 is about 1377.8301782150. The cubic root of 1898416 is about 123.8218043985.

The spelling of 1898416 in words is "one million, eight hundred ninety-eight thousand, four hundred sixteen".