442941693 has 8 divisors (see below), whose sum is σ = 591360000. Its totient is φ = 294908928.

The previous prime is 442941619. The next prime is 442941721. The reversal of 442941693 is 396149244.

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

It is not a de Polignac number, because 442941693 - 2¹² = 442937597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442941293) 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, 93693 + ... + 98306.

It is an arithmetic number, because the mean of its divisors is an integer number (73920000).

Almost surely, 2^442941693 is an apocalyptic number.

It is an amenable number.

442941693 is a deficient number, since it is larger than the sum of its proper divisors (148418307).

442941693 is a wasteful number, since it uses less digits than its factorization.

442941693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192771.

The product of its digits is 186624, while the sum is 42.

The square root of 442941693 is about 21046.1800096835. The cubic root of 442941693 is about 762.2817466539.

The spelling of 442941693 in words is "four hundred forty-two million, nine hundred forty-one thousand, six hundred ninety-three".