213454326 has 32 divisors (see below), whose sum is σ = 442920960. Its totient is φ = 68497184.

The previous prime is 213454321. The next prime is 213454327. The reversal of 213454326 is 623454312.

It is a super-2 number, since 2×213454326² = 91125498576228552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213454293 and 213454302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213454321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65041 + ... + 68243.

It is an arithmetic number, because the mean of its divisors is an integer number (13841280).

Almost surely, 2^213454326 is an apocalyptic number.

213454326 is an abundant number, since it is smaller than the sum of its proper divisors (229466634).

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

213454326 is a wasteful number, since it uses less digits than its factorization.

213454326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620.

The product of its digits is 17280, while the sum is 30.

The square root of 213454326 is about 14610.0761804995. The cubic root of 213454326 is about 597.6335734235.

The spelling of 213454326 in words is "two hundred thirteen million, four hundred fifty-four thousand, three hundred twenty-six".