442834654 has 4 divisors (see below), whose sum is σ = 664251984. Its totient is φ = 221417326.

The previous prime is 442834643. The next prime is 442834657. The reversal of 442834654 is 456438244.

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

It is a super-2 number, since 2×442834654² = 392205061566599432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442834657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110708662 + ... + 110708665.

It is an arithmetic number, because the mean of its divisors is an integer number (166062996).

Almost surely, 2^442834654 is an apocalyptic number.

442834654 is a deficient number, since it is larger than the sum of its proper divisors (221417330).

442834654 is a wasteful number, since it uses less digits than its factorization.

442834654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221417329.

The product of its digits is 368640, while the sum is 40.

The square root of 442834654 is about 21043.6369004980. The cubic root of 442834654 is about 762.2203386848.

The spelling of 442834654 in words is "four hundred forty-two million, eight hundred thirty-four thousand, six hundred fifty-four".