450627983 has 16 divisors (see below), whose sum is σ = 513547776. Its totient is φ = 392256480.

The previous prime is 450627979. The next prime is 450628021. The reversal of 450627983 is 389726054.

It is a Cunningham number, because it is equal to 21228²-1.

It is a cyclic number.

It is not a de Polignac number, because 450627983 - 2² = 450627979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450627913) 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, 10616 + ... + 31842.

It is an arithmetic number, because the mean of its divisors is an integer number (32096736).

Almost surely, 2^450627983 is an apocalyptic number.

450627983 is a deficient number, since it is larger than the sum of its proper divisors (62919793).

450627983 is a wasteful number, since it uses less digits than its factorization.

450627983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21334.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 450627983 is about 21227.9999764462. Note that the first 4 decimals coincide. The cubic root of 450627983 is about 766.6657328491.

The spelling of 450627983 in words is "four hundred fifty million, six hundred twenty-seven thousand, nine hundred eighty-three".