213772996 has 6 divisors (see below), whose sum is σ = 374102750. Its totient is φ = 106886496.

The previous prime is 213772969. The next prime is 213772997. The reversal of 213772996 is 699277312.

213772996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 121881600 + 91891396 = 11040^2 + 9586^2 .

It is not an unprimeable number, because it can be changed into a prime (213772997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26721621 + ... + 26721628.

Almost surely, 2^213772996 is an apocalyptic number.

It is an amenable number.

213772996 is a deficient number, since it is larger than the sum of its proper divisors (160329754).

213772996 is a wasteful number, since it uses less digits than its factorization.

213772996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53443253 (or 53443251 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 213772996 is about 14620.9779426685. The cubic root of 213772996 is about 597.9308316997.

The spelling of 213772996 in words is "two hundred thirteen million, seven hundred seventy-two thousand, nine hundred ninety-six".