283640430 has 32 divisors (see below), whose sum is σ = 681206400. Its totient is φ = 75585312.

The previous prime is 283640411. The next prime is 283640443. The reversal of 283640430 is 34046382.

283640430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63201 + ... + 67539.

It is an arithmetic number, because the mean of its divisors is an integer number (21287700).

Almost surely, 2^283640430 is an apocalyptic number.

283640430 is an abundant number, since it is smaller than the sum of its proper divisors (397565970).

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

283640430 is a wasteful number, since it uses less digits than its factorization.

283640430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 283640430 is about 16841.6278904386. The cubic root of 283640430 is about 657.0363214863.

The spelling of 283640430 in words is "two hundred eighty-three million, six hundred forty thousand, four hundred thirty".