442291046 has 8 divisors (see below), whose sum is σ = 667507224. Its totient is φ = 219788640.

The previous prime is 442291033. The next prime is 442291049. The reversal of 442291046 is 640192244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442291049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678035 + ... + 678686.

It is an arithmetic number, because the mean of its divisors is an integer number (83438403).

Almost surely, 2^442291046 is an apocalyptic number.

442291046 is a deficient number, since it is larger than the sum of its proper divisors (225216178).

442291046 is a wasteful number, since it uses less digits than its factorization.

442291046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356886.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 442291046 is about 21030.7167257799. The cubic root of 442291046 is about 761.9083194902.

The spelling of 442291046 in words is "four hundred forty-two million, two hundred ninety-one thousand, forty-six".