442941694 has 32 divisors (see below), whose sum is σ = 729116640. Its totient is φ = 200589312.

The previous prime is 442941619. The next prime is 442941721. The reversal of 442941694 is 496149244.

It is a self number, because there is not a number n which added to its sum of digits gives 442941694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313662 + ... + 315070.

It is an arithmetic number, because the mean of its divisors is an integer number (22784895).

Almost surely, 2^442941694 is an apocalyptic number.

442941694 is a deficient number, since it is larger than the sum of its proper divisors (286174946).

442941694 is a wasteful number, since it uses less digits than its factorization.

442941694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644.

The product of its digits is 248832, while the sum is 43.

The square root of 442941694 is about 21046.1800334407. The cubic root of 442941694 is about 762.2817472275.

The spelling of 442941694 in words is "four hundred forty-two million, nine hundred forty-one thousand, six hundred ninety-four".