442488692 has 6 divisors (see below), whose sum is σ = 774355218. Its totient is φ = 221244344.

The previous prime is 442488671. The next prime is 442488713. The reversal of 442488692 is 296884244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442488671) and next prime (442488713).

It can be written as a sum of positive squares in only one way, i.e., 442429156 + 59536 = 21034^2 + 244^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55311083 + ... + 55311090.

It is an arithmetic number, because the mean of its divisors is an integer number (129059203).

Almost surely, 2^442488692 is an apocalyptic number.

It is an amenable number.

442488692 is a deficient number, since it is larger than the sum of its proper divisors (331866526).

442488692 is a wasteful number, since it uses less digits than its factorization.

442488692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110622177 (or 110622175 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 442488692 is about 21035.4151848733. The cubic root of 442488692 is about 762.0217935684.

The spelling of 442488692 in words is "four hundred forty-two million, four hundred eighty-eight thousand, six hundred ninety-two".