442419 has 8 divisors (see below), whose sum is σ = 596880. Its totient is φ = 291456.

The previous prime is 442399. The next prime is 442439. The reversal of 442419 is 914244.

It is an interprime number because it is at equal distance from previous prime (442399) and next prime (442439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442419 - 2⁷ = 442291 is a prime.

It is a super-2 number, since 2×442419² = 391469143122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562 + ... + 1095.

It is an arithmetic number, because the mean of its divisors is an integer number (74610).

2⁴⁴²⁴¹⁹ is an apocalyptic number.

442419 is a deficient number, since it is larger than the sum of its proper divisors (154461).

442419 is a wasteful number, since it uses less digits than its factorization.

442419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749.

The product of its digits is 1152, while the sum is 24.

The square root of 442419 is about 665.1458486678. The cubic root of 442419 is about 76.1981785306.

It can be divided in two parts, 442 and 419, that added together give a triangular number (861 = T₄₁).

The spelling of 442419 in words is "four hundred forty-two thousand, four hundred nineteen".