442952837 has 4 divisors (see below), whose sum is σ = 462211680. Its totient is φ = 423693996.

The previous prime is 442952827. The next prime is 442952849. The reversal of 442952837 is 738259244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442952837 - 2⁶ = 442952773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442952827) 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, 9629387 + ... + 9629432.

It is an arithmetic number, because the mean of its divisors is an integer number (115552920).

Almost surely, 2^442952837 is an apocalyptic number.

It is an amenable number.

442952837 is a deficient number, since it is larger than the sum of its proper divisors (19258843).

442952837 is a wasteful number, since it uses less digits than its factorization.

442952837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19258842.

The product of its digits is 483840, while the sum is 44.

The square root of 442952837 is about 21046.4447591511. Note that the first 3 decimals coincide. The cubic root of 442952837 is about 762.2881393663.

The spelling of 442952837 in words is "four hundred forty-two million, nine hundred fifty-two thousand, eight hundred thirty-seven".