442695607 has 4 divisors (see below), whose sum is σ = 444418416. Its totient is φ = 440972800.

The previous prime is 442695601. The next prime is 442695629. The reversal of 442695607 is 706596244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442695607 - 2⁷ = 442695479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442695601) 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, 861019 + ... + 861532.

It is an arithmetic number, because the mean of its divisors is an integer number (111104604).

Almost surely, 2^442695607 is an apocalyptic number.

442695607 is a deficient number, since it is larger than the sum of its proper divisors (1722809).

442695607 is a wasteful number, since it uses less digits than its factorization.

442695607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722808.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 442695607 is about 21040.3328633365. The cubic root of 442695607 is about 762.1405530393.

The spelling of 442695607 in words is "four hundred forty-two million, six hundred ninety-five thousand, six hundred seven".