83630450 has 12 divisors (see below), whose sum is σ = 155552730. Its totient is φ = 33452160.

The previous prime is 83630441. The next prime is 83630453. The reversal of 83630450 is 5403638.

It can be written as a sum of positive squares in 3 ways, for example, as 49885969 + 33744481 = 7063^2 + 5809^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83630453) 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, 836255 + ... + 836354.

Almost surely, 2^83630450 is an apocalyptic number.

83630450 is a deficient number, since it is larger than the sum of its proper divisors (71922280).

83630450 is a wasteful number, since it uses less digits than its factorization.

83630450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672621 (or 1672616 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 83630450 is about 9144.9685620017. The cubic root of 83630450 is about 437.3087272731.

The spelling of 83630450 in words is "eighty-three million, six hundred thirty thousand, four hundred fifty".