442009606 has 8 divisors (see below), whose sum is σ = 669097440. Its totient is φ = 218977128.

The previous prime is 442009583. The next prime is 442009613. The reversal of 442009606 is 606900244.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013566 + ... + 1014001.

It is an arithmetic number, because the mean of its divisors is an integer number (83637180).

Almost surely, 2^442009606 is an apocalyptic number.

442009606 is a deficient number, since it is larger than the sum of its proper divisors (227087834).

442009606 is a wasteful number, since it uses less digits than its factorization.

442009606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027678.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 442009606 is about 21024.0244958000. The cubic root of 442009606 is about 761.7466785843.

The spelling of 442009606 in words is "four hundred forty-two million, nine thousand, six hundred six".