442873382 has 16 divisors (see below), whose sum is σ = 759996960. Its totient is φ = 189606528.

The previous prime is 442873381. The next prime is 442873393. The reversal of 442873382 is 283378244.

It is a super-2 number, since 2×442873382² = 392273664968235848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442873381) 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, 1907 + ... + 29822.

It is an arithmetic number, because the mean of its divisors is an integer number (47499810).

Almost surely, 2^442873382 is an apocalyptic number.

442873382 is a deficient number, since it is larger than the sum of its proper divisors (317123578).

442873382 is a wasteful number, since it uses less digits than its factorization.

442873382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32735.

The product of its digits is 258048, while the sum is 41.

The square root of 442873382 is about 21044.5570635260. The cubic root of 442873382 is about 762.2425579703.

The spelling of 442873382 in words is "four hundred forty-two million, eight hundred seventy-three thousand, three hundred eighty-two".