283686140 has 48 divisors (see below), whose sum is σ = 658228032. Its totient is φ = 102153216.

The previous prime is 283686127. The next prime is 283686167. The reversal of 283686140 is 41686382.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 283686094 and 283686103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10319 + ... + 25958.

It is an arithmetic number, because the mean of its divisors is an integer number (13713084).

Almost surely, 2^283686140 is an apocalyptic number.

283686140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283686140 is an abundant number, since it is smaller than the sum of its proper divisors (374541892).

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

283686140 is a wasteful number, since it uses less digits than its factorization.

283686140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36326 (or 36324 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 283686140 is about 16842.9848898584. The cubic root of 283686140 is about 657.0716144299.

The spelling of 283686140 in words is "two hundred eighty-three million, six hundred eighty-six thousand, one hundred forty".