442954 has 4 divisors (see below), whose sum is σ = 664434. Its totient is φ = 221476.

The previous prime is 442919. The next prime is 442961. The reversal of 442954 is 459244.

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

It can be written as a sum of positive squares in only one way, i.e., 442225 + 729 = 665^2 + 27^2 .

It is a super-2 number, since 2×442954² = 392416492232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110737 + ... + 110740.

2⁴⁴²⁹⁵⁴ is an apocalyptic number.

442954 is a deficient number, since it is larger than the sum of its proper divisors (221480).

442954 is a wasteful number, since it uses less digits than its factorization.

442954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221479.

The product of its digits is 5760, while the sum is 28.

The square root of 442954 is about 665.5478945951. The cubic root of 442954 is about 76.2288806511.

Subtracting 442954 from its reverse (459244), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 442954 in words is "four hundred forty-two thousand, nine hundred fifty-four".