450422839 has 4 divisors (see below), whose sum is σ = 464952640. Its totient is φ = 435893040.

The previous prime is 450422827. The next prime is 450422851. The reversal of 450422839 is 938224054.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (450422827) and next prime (450422851).

It is a cyclic number.

It is not a de Polignac number, because 450422839 - 2¹³ = 450414647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450422798 and 450422807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450422879) 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, 7264854 + ... + 7264915.

It is an arithmetic number, because the mean of its divisors is an integer number (116238160).

Almost surely, 2^450422839 is an apocalyptic number.

450422839 is a deficient number, since it is larger than the sum of its proper divisors (14529801).

450422839 is a wasteful number, since it uses less digits than its factorization.

450422839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14529800.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 450422839 is about 21223.1675062890. The cubic root of 450422839 is about 766.5493761548.

The spelling of 450422839 in words is "four hundred fifty million, four hundred twenty-two thousand, eight hundred thirty-nine".