442809486 has 24 divisors (see below), whose sum is σ = 1096480944. Its totient is φ = 126516960.

The previous prime is 442809481. The next prime is 442809491. The reversal of 442809486 is 684908244.

It is an interprime number because it is at equal distance from previous prime (442809481) and next prime (442809491).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442809481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1757055 + ... + 1757306.

It is an arithmetic number, because the mean of its divisors is an integer number (45686706).

Almost surely, 2^442809486 is an apocalyptic number.

442809486 is an abundant number, since it is smaller than the sum of its proper divisors (653671458).

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

442809486 is a wasteful number, since it uses less digits than its factorization.

442809486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514376 (or 3514373 counting only the distinct ones).

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

The square root of 442809486 is about 21043.0388965092. The cubic root of 442809486 is about 762.2058984382.

The spelling of 442809486 in words is "four hundred forty-two million, eight hundred nine thousand, four hundred eighty-six".