442443246 has 32 divisors (see below), whose sum is σ = 1031942400. Its totient is φ = 126411768.

The previous prime is 442443223. The next prime is 442443247. The reversal of 442443246 is 642344244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442443247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105436 + ... + 109551.

It is an arithmetic number, because the mean of its divisors is an integer number (32248200).

Almost surely, 2^442443246 is an apocalyptic number.

442443246 is an abundant number, since it is smaller than the sum of its proper divisors (589499154).

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

442443246 is a wasteful number, since it uses less digits than its factorization.

442443246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215013 (or 214999 counting only the distinct ones).

The product of its digits is 73728, while the sum is 33.

The square root of 442443246 is about 21034.3349312499. The cubic root of 442443246 is about 761.9957047450.

The spelling of 442443246 in words is "four hundred forty-two million, four hundred forty-three thousand, two hundred forty-six".