213448776 has 48 divisors (see below), whose sum is σ = 540546960. Its totient is φ = 70237920.

The previous prime is 213448769. The next prime is 213448777. The reversal of 213448776 is 677844312.

It is not an unprimeable number, because it can be changed into a prime (213448777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164691 + ... + 165981.

It is an arithmetic number, because the mean of its divisors is an integer number (11261395).

Almost surely, 2^213448776 is an apocalyptic number.

It is an amenable number.

213448776 is an abundant number, since it is smaller than the sum of its proper divisors (327098184).

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

213448776 is a wasteful number, since it uses less digits than its factorization.

213448776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1379 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 213448776 is about 14609.8862418569. The cubic root of 213448776 is about 597.6283937126.

The spelling of 213448776 in words is "two hundred thirteen million, four hundred forty-eight thousand, seven hundred seventy-six".