282969940 has 24 divisors (see below), whose sum is σ = 648258912. Its totient is φ = 102898080.

The previous prime is 282969931. The next prime is 282969941. The reversal of 282969940 is 49969282.

It is a happy number.

It is a super-3 number, since 3×282969940³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282969941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642894 + ... + 643333.

It is an arithmetic number, because the mean of its divisors is an integer number (27010788).

Almost surely, 2^282969940 is an apocalyptic number.

282969940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282969940 is an abundant number, since it is smaller than the sum of its proper divisors (365288972).

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

282969940 is a wasteful number, since it uses less digits than its factorization.

282969940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286247 (or 1286245 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 282969940 is about 16821.7103767720. The cubic root of 282969940 is about 656.5181961686.

The spelling of 282969940 in words is "two hundred eighty-two million, nine hundred sixty-nine thousand, nine hundred forty".