442949 has 6 divisors (see below), whose sum is σ = 479826. Its totient is φ = 408720.

The previous prime is 442919. The next prime is 442961. The reversal of 442949 is 949244.

442949 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 3 ways, for example, as 13924 + 429025 = 118^2 + 655^2 .

It is not a de Polignac number, because 442949 - 2¹² = 438853 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 (442919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1142 + ... + 1479.

It is an arithmetic number, because the mean of its divisors is an integer number (79971).

2⁴⁴²⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

442949 is a deficient number, since it is larger than the sum of its proper divisors (36877).

442949 is a wasteful number, since it uses less digits than its factorization.

442949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647 (or 2634 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 442949 is about 665.5441382809. The cubic root of 442949 is about 76.2285938298.

The spelling of 442949 in words is "four hundred forty-two thousand, nine hundred forty-nine".