214783538 has 18 divisors (see below), whose sum is σ = 331216317. Its totient is φ = 104459040.

The previous prime is 214783537. The next prime is 214783579. The reversal of 214783538 is 835387412.

214783538 is digitally balanced in base 2, 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 2 ways, for example, as 200137609 + 14645929 = 14147^2 + 3827^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10363.

It is a super-2 number, since 2×214783538² = 92263936391594888, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214783495 and 214783504.

It is not an unprimeable number, because it can be changed into a prime (214783537) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 891098 + ... + 891338.

Almost surely, 2^214783538 is an apocalyptic number.

214783538 is a deficient number, since it is larger than the sum of its proper divisors (116432779).

214783538 is an frugal number, since it uses more digits than its factorization.

214783538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 286 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 214783538 is about 14655.4951468724. The cubic root of 214783538 is about 598.8715252013.

The spelling of 214783538 in words is "two hundred fourteen million, seven hundred eighty-three thousand, five hundred thirty-eight".