442971 has 12 divisors (see below), whose sum is σ = 648648. Its totient is φ = 291264.

The previous prime is 442963. The next prime is 442973. The reversal of 442971 is 179244.

442971 = T₅₉ + T₆₀ + ... + T₁₄₁.

It is a happy number.

It is not a de Polignac number, because 442971 - 2³ = 442963 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 4⁹ + 9⁵ + 2⁵ + 7⁶ + 1 .

It is not an unprimeable number, because it can be changed into a prime (442973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (54054).

2⁴⁴²⁹⁷¹ is an apocalyptic number.

442971 is a deficient number, since it is larger than the sum of its proper divisors (205677).

442971 is a wasteful number, since it uses less digits than its factorization.

442971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 679 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 442971 is about 665.5606659051. The cubic root of 442971 is about 76.2298558271.

The spelling of 442971 in words is "four hundred forty-two thousand, nine hundred seventy-one".