286040916 has 48 divisors (see below), whose sum is σ = 847530880. Its totient is φ = 81725760.

The previous prime is 286040897. The next prime is 286040917. The reversal of 286040916 is 619040682.

It is a super-2 number, since 2×286040916² = 163638811252238112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286040917) by changing a digit.

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, 188425 + ... + 189936.

Almost surely, 2^286040916 is an apocalyptic number.

It is an amenable number.

286040916 is an abundant number, since it is smaller than the sum of its proper divisors (561489964).

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

286040916 is a wasteful number, since it uses less digits than its factorization.

286040916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378381 (or 378373 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 286040916 is about 16912.7441889245. The cubic root of 286040916 is about 658.8846451139.

The spelling of 286040916 in words is "two hundred eighty-six million, forty thousand, nine hundred sixteen".