213088834 has 8 divisors (see below), whose sum is σ = 365295168. Its totient is φ = 91323780.

The previous prime is 213088801. The next prime is 213088853. The reversal of 213088834 is 438880312.

213088834 is digitally balanced in base 2, 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 junction number, because it is equal to n+sod(n) for n = 213088793 and 213088802.

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, 7610302 + ... + 7610329.

It is an arithmetic number, because the mean of its divisors is an integer number (45661896).

Almost surely, 2^213088834 is an apocalyptic number.

213088834 is a deficient number, since it is larger than the sum of its proper divisors (152206334).

213088834 is a wasteful number, since it uses less digits than its factorization.

213088834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15220640.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 213088834 is about 14597.5626047639. The cubic root of 213088834 is about 597.2922746805.

It can be divided in two parts, 21 and 3088834, that added together give a triangular number (3088855 = T₂₄₈₅).

The spelling of 213088834 in words is "two hundred thirteen million, eighty-eight thousand, eight hundred thirty-four".