286696928 has 192 divisors, whose sum is σ = 731566080. Its totient is φ = 107827200.

The previous prime is 286696913. The next prime is 286696931. The reversal of 286696928 is 829696682.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5409350 + ... + 5409402.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 2^286696928 is an apocalyptic number.

286696928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286696928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365783040).

286696928 is an abundant number, since it is smaller than the sum of its proper divisors (444869152).

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

286696928 is a wasteful number, since it uses less digits than its factorization.

286696928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 153 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The square root of 286696928 is about 16932.1270961448. The cubic root of 286696928 is about 659.3879603122.

The spelling of 286696928 in words is "two hundred eighty-six million, six hundred ninety-six thousand, nine hundred twenty-eight".