442338405 has 8 divisors (see below), whose sum is σ = 707741472. Its totient is φ = 235913808.

The previous prime is 442338401. The next prime is 442338409. The reversal of 442338405 is 504833244.

It is an interprime number because it is at equal distance from previous prime (442338401) and next prime (442338409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442338405 - 2² = 442338401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442338401) 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, 14744599 + ... + 14744628.

It is an arithmetic number, because the mean of its divisors is an integer number (88467684).

Almost surely, 2^442338405 is an apocalyptic number.

It is an amenable number.

442338405 is a deficient number, since it is larger than the sum of its proper divisors (265403067).

442338405 is a wasteful number, since it uses less digits than its factorization.

442338405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29489235.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 442338405 is about 21031.8426439530. The cubic root of 442338405 is about 761.9355126915.

The spelling of 442338405 in words is "four hundred forty-two million, three hundred thirty-eight thousand, four hundred five".