283405340 has 12 divisors (see below), whose sum is σ = 595151256. Its totient is φ = 113362128.

The previous prime is 283405337. The next prime is 283405357. The reversal of 283405340 is 43504382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7085114 + ... + 7085153.

It is an arithmetic number, because the mean of its divisors is an integer number (49595938).

Almost surely, 2^283405340 is an apocalyptic number.

283405340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283405340 is an abundant number, since it is smaller than the sum of its proper divisors (311745916).

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

283405340 is a wasteful number, since it uses less digits than its factorization.

283405340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170276 (or 14170274 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 283405340 is about 16834.6470114464. The cubic root of 283405340 is about 656.8547472740.

The spelling of 283405340 in words is "two hundred eighty-three million, four hundred five thousand, three hundred forty".