442814286 has 16 divisors (see below), whose sum is σ = 885945168. Its totient is φ = 147552000.

The previous prime is 442814279. The next prime is 442814287. The reversal of 442814286 is 682418244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442814287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7486 + ... + 30686.

It is an arithmetic number, because the mean of its divisors is an integer number (55371573).

Almost surely, 2^442814286 is an apocalyptic number.

442814286 is an abundant number, since it is smaller than the sum of its proper divisors (443130882).

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

442814286 is a wasteful number, since it uses less digits than its factorization.

442814286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26387.

The product of its digits is 98304, while the sum is 39.

The square root of 442814286 is about 21043.1529481682. The cubic root of 442814286 is about 762.2086525007.

The spelling of 442814286 in words is "four hundred forty-two million, eight hundred fourteen thousand, two hundred eighty-six".