213829026 has 48 divisors (see below), whose sum is σ = 460658016. Its totient is φ = 65940864.

The previous prime is 213829003. The next prime is 213829069. The reversal of 213829026 is 620928312.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457645 + ... + 458111.

It is an arithmetic number, because the mean of its divisors is an integer number (9597042).

Almost surely, 2^213829026 is an apocalyptic number.

213829026 is an abundant number, since it is smaller than the sum of its proper divisors (246828990).

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

213829026 is a wasteful number, since it uses less digits than its factorization.

213829026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 213829026 is about 14622.8938996356. The cubic root of 213829026 is about 597.9830664511.

The spelling of 213829026 in words is "two hundred thirteen million, eight hundred twenty-nine thousand, twenty-six".