284476540 has 12 divisors (see below), whose sum is σ = 597400776. Its totient is φ = 113790608.

The previous prime is 284476523. The next prime is 284476541. The reversal of 284476540 is 45674482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 284476493 and 284476502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284476541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7111894 + ... + 7111933.

It is an arithmetic number, because the mean of its divisors is an integer number (49783398).

Almost surely, 2^284476540 is an apocalyptic number.

284476540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284476540 is an abundant number, since it is smaller than the sum of its proper divisors (312924236).

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

284476540 is a wasteful number, since it uses less digits than its factorization.

284476540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14223836 (or 14223834 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 284476540 is about 16866.4323435634. The cubic root of 284476540 is about 657.6812879891.

The spelling of 284476540 in words is "two hundred eighty-four million, four hundred seventy-six thousand, five hundred forty".