286729404 has 48 divisors (see below), whose sum is σ = 722967168. Its totient is φ = 87922368.

The previous prime is 286729403. The next prime is 286729411. The reversal of 286729404 is 404927682.

It is a super-2 number, since 2×286729404² = 164427502236390432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286729403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44899 + ... + 50885.

It is an arithmetic number, because the mean of its divisors is an integer number (15061816).

Almost surely, 2^286729404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286729404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361483584).

286729404 is an abundant number, since it is smaller than the sum of its proper divisors (436237764).

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

286729404 is a wasteful number, since it uses less digits than its factorization.

286729404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314 (or 6312 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 286729404 is about 16933.0860743103. The cubic root of 286729404 is about 659.4128570734.

The spelling of 286729404 in words is "two hundred eighty-six million, seven hundred twenty-nine thousand, four hundred four".