442684098 has 24 divisors (see below), whose sum is σ = 967952700. Its totient is φ = 146206944.

The previous prime is 442684091. The next prime is 442684129. The reversal of 442684098 is 890486244.

It can be written as a sum of positive squares in 2 ways, for example, as 344733489 + 97950609 = 18567^2 + 9897^2 .

It is not an unprimeable number, because it can be changed into a prime (442684091) 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 11 ways as a sum of consecutive naturals, for example, 110853 + ... + 114776.

Almost surely, 2^442684098 is an apocalyptic number.

442684098 is an abundant number, since it is smaller than the sum of its proper divisors (525268602).

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

442684098 is a wasteful number, since it uses less digits than its factorization.

442684098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225746 (or 225743 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 442684098 is about 21040.0593630341. The cubic root of 442684098 is about 762.1339483871.

The spelling of 442684098 in words is "four hundred forty-two million, six hundred eighty-four thousand, ninety-eight".