418442 has 4 divisors (see below), whose sum is σ = 627666. Its totient is φ = 209220.

The previous prime is 418427. The next prime is 418447. The reversal of 418442 is 244814.

418442 is nontrivially palindromic in base 14.

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., 395641 + 22801 = 629^2 + 151^2 .

It is not an unprimeable number, because it can be changed into a prime (418447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104609 + ... + 104612.

2⁴¹⁸⁴⁴² is an apocalyptic number.

418442 is a deficient number, since it is larger than the sum of its proper divisors (209224).

418442 is a wasteful number, since it uses less digits than its factorization.

418442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209223.

The product of its digits is 1024, while the sum is 23.

The square root of 418442 is about 646.8709299389. The cubic root of 418442 is about 74.7960086330.

The spelling of 418442 in words is "four hundred eighteen thousand, four hundred forty-two".