450906894 has 12 divisors (see below), whose sum is σ = 976964976. Its totient is φ = 150302292.

The previous prime is 450906857. The next prime is 450906899. The reversal of 450906894 is 498609054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450906899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12525174 + ... + 12525209.

It is an arithmetic number, because the mean of its divisors is an integer number (81413748).

Almost surely, 2^450906894 is an apocalyptic number.

450906894 is an abundant number, since it is smaller than the sum of its proper divisors (526058082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450906894 is a wasteful number, since it uses less digits than its factorization.

450906894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25050391 (or 25050388 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 450906894 is about 21234.5683732917. The cubic root of 450906894 is about 766.8238732023.

It can be divided in two parts, 45090 and 6894, that added together give a square (51984 = 228²).

The spelling of 450906894 in words is "four hundred fifty million, nine hundred six thousand, eight hundred ninety-four".