213689248 has 12 divisors (see below), whose sum is σ = 420700770. Its totient is φ = 106844608.

The previous prime is 213689243. The next prime is 213689261. The reversal of 213689248 is 842986312.

It can be written as a sum of positive squares in only one way, i.e., 199035664 + 14653584 = 14108^2 + 3828^2 .

It is not an unprimeable number, because it can be changed into a prime (213689243) 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 as a sum of consecutive naturals, namely, 3338863 + ... + 3338926.

Almost surely, 2^213689248 is an apocalyptic number.

It is an amenable number.

213689248 is a deficient number, since it is larger than the sum of its proper divisors (207011522).

213689248 is an equidigital number, since it uses as much as digits as its factorization.

213689248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677799 (or 6677791 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 213689248 is about 14618.1136950018. The cubic root of 213689248 is about 597.8527394353.

The spelling of 213689248 in words is "two hundred thirteen million, six hundred eighty-nine thousand, two hundred forty-eight".