442682949 has 4 divisors (see below), whose sum is σ = 590243936. Its totient is φ = 295121964.

The previous prime is 442682921. The next prime is 442682951. The reversal of 442682949 is 949286244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 442682949 - 2⁸ = 442682693 is a prime.

It is a super-3 number, since 3×442682949³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442682898 and 442682907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442682969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73780489 + ... + 73780494.

It is an arithmetic number, because the mean of its divisors is an integer number (147560984).

Almost surely, 2^442682949 is an apocalyptic number.

It is an amenable number.

442682949 is a deficient number, since it is larger than the sum of its proper divisors (147560987).

442682949 is a wasteful number, since it uses less digits than its factorization.

442682949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147560986.

The product of its digits is 995328, while the sum is 48.

The square root of 442682949 is about 21040.0320579604. The cubic root of 442682949 is about 762.1332890059.

The spelling of 442682949 in words is "four hundred forty-two million, six hundred eighty-two thousand, nine hundred forty-nine".