213286026 has 16 divisors (see below), whose sum is σ = 426832704. Its totient is φ = 71051904.

The previous prime is 213285973. The next prime is 213286027. The reversal of 213286026 is 620682312.

It is a junction number, because it is equal to n+sod(n) for n = 213285984 and 213286002.

It is not an unprimeable number, because it can be changed into a prime (213286027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730 + ... + 20666.

It is an arithmetic number, because the mean of its divisors is an integer number (26677044).

Almost surely, 2^213286026 is an apocalyptic number.

213286026 is an abundant number, since it is smaller than the sum of its proper divisors (213546678).

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

213286026 is a wasteful number, since it uses less digits than its factorization.

213286026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21725.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 213286026 is about 14604.3153211645. The cubic root of 213286026 is about 597.4764622533.

The spelling of 213286026 in words is "two hundred thirteen million, two hundred eighty-six thousand, twenty-six".