1442898 has 24 divisors (see below), whose sum is σ = 3291600. Its totient is φ = 455544.

The previous prime is 1442887. The next prime is 1442899. The reversal of 1442898 is 8982441.

It is a Cunningham number, because it is equal to 113³+1.

It is a d-powerful number, because it can be written as 1 + 4⁹ + 4¹⁰ + 2¹⁷ + 8³ + 9² + 8³ .

It is not an unprimeable number, because it can be changed into a prime (1442899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1768 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (137150).

2^1442898 is an apocalyptic number.

1442898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1442898 is an abundant number, since it is smaller than the sum of its proper divisors (1848702).

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

1442898 is a wasteful number, since it uses less digits than its factorization.

1442898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246 (or 4243 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1442898 is about 1201.2068930871. The cubic root of 1442898 is about 113.0000261049. Note that the first 4 decimals are identical.

The spelling of 1442898 in words is "one million, four hundred forty-two thousand, eight hundred ninety-eight".