450906939 has 16 divisors (see below), whose sum is σ = 763440640. Its totient is φ = 257661000.

The previous prime is 450906923. The next prime is 450906941. The reversal of 450906939 is 939609054.

It is a happy number.

It is not a de Polignac number, because 450906939 - 2⁴ = 450906923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450906894 and 450906903.

It is not an unprimeable number, because it can be changed into a prime (450902939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192687 + ... + 1193064.

It is an arithmetic number, because the mean of its divisors is an integer number (47715040).

Almost surely, 2^450906939 is an apocalyptic number.

450906939 is a deficient number, since it is larger than the sum of its proper divisors (312533701).

450906939 is a wasteful number, since it uses less digits than its factorization.

450906939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385767 (or 2385761 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 450906939 is about 21234.5694328847. The cubic root of 450906939 is about 766.8238987117.

The spelling of 450906939 in words is "four hundred fifty million, nine hundred six thousand, nine hundred thirty-nine".