286129990 has 8 divisors (see below), whose sum is σ = 515034000. Its totient is φ = 114451992.

The previous prime is 286129981. The next prime is 286129993. The reversal of 286129990 is 99921682.

286129990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 286129990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286129993) 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, 14306490 + ... + 14306509.

It is an arithmetic number, because the mean of its divisors is an integer number (64379250).

Almost surely, 2^286129990 is an apocalyptic number.

286129990 is a deficient number, since it is larger than the sum of its proper divisors (228904010).

286129990 is a wasteful number, since it uses less digits than its factorization.

286129990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28613006.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 286129990 is about 16915.3773236071. The cubic root of 286129990 is about 658.9530309014.

The spelling of 286129990 in words is "two hundred eighty-six million, one hundred twenty-nine thousand, nine hundred ninety".