442879003 has 6 divisors (see below), whose sum is σ = 515185836. Its totient is φ = 379610532.

The previous prime is 442878959. The next prime is 442879009. The reversal of 442879003 is 300978244.

It is a happy number.

It is not a de Polignac number, because 442879003 - 2¹³ = 442870811 is a prime.

It is a super-2 number, since 2×442879003² = 392283622596548018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442879009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4519125 + ... + 4519222.

It is an arithmetic number, because the mean of its divisors is an integer number (85864306).

Almost surely, 2^442879003 is an apocalyptic number.

442879003 is a deficient number, since it is larger than the sum of its proper divisors (72306833).

442879003 is an equidigital number, since it uses as much as digits as its factorization.

442879003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038361 (or 9038354 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 442879003 is about 21044.6906130739. The cubic root of 442879003 is about 762.2457827801.

The spelling of 442879003 in words is "four hundred forty-two million, eight hundred seventy-nine thousand, three".