400083630 has 32 divisors (see below), whose sum is σ = 961110144. Its totient is φ = 106587936.

The previous prime is 400083583. The next prime is 400083637. The reversal of 400083630 is 36380004.

It is a self number, because there is not a number n which added to its sum of digits gives 400083630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400083637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29157 + ... + 40623.

It is an arithmetic number, because the mean of its divisors is an integer number (30034692).

Almost surely, 2^400083630 is an apocalyptic number.

400083630 is an abundant number, since it is smaller than the sum of its proper divisors (561026514).

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

400083630 is a wasteful number, since it uses less digits than its factorization.

400083630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12640.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 400083630 is about 20002.0906407305. The cubic root of 400083630 is about 736.8576454089.

The spelling of 400083630 in words is "four hundred million, eighty-three thousand, six hundred thirty".