2129286 has 8 divisors (see below), whose sum is σ = 4258584. Its totient is φ = 709760.

The previous prime is 2129279. The next prime is 2129291. The reversal of 2129286 is 6829212.

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

2129286 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177435 + ... + 177446.

It is an arithmetic number, because the mean of its divisors is an integer number (532323).

2^2129286 is an apocalyptic number.

2129286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2129286 is a wasteful number, since it uses less digits than its factorization.

2129286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354886.

The product of its digits is 3456, while the sum is 30.

The square root of 2129286 is about 1459.2073190606. The cubic root of 2129286 is about 128.6504568815.

It can be divided in two parts, 2129 and 286, that added together give a triangular number (2415 = T₆₉).

The spelling of 2129286 in words is "two million, one hundred twenty-nine thousand, two hundred eighty-six".