213436326 has 48 divisors (see below), whose sum is σ = 459232704. Its totient is φ = 66109056.

The previous prime is 213436303. The next prime is 213436337. The reversal of 213436326 is 623634312.

It is a junction number, because it is equal to n+sod(n) for n = 213436293 and 213436302.

It is a congruent 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, 143181 + ... + 144663.

It is an arithmetic number, because the mean of its divisors is an integer number (9567348).

Almost surely, 2^213436326 is an apocalyptic number.

213436326 is an abundant number, since it is smaller than the sum of its proper divisors (245796378).

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

213436326 is a wasteful number, since it uses less digits than its factorization.

213436326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1588 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 213436326 is about 14609.4601542973. The cubic root of 213436326 is about 597.6167740346.

The spelling of 213436326 in words is "two hundred thirteen million, four hundred thirty-six thousand, three hundred twenty-six".