213928083 has 12 divisors (see below), whose sum is σ = 322442640. Its totient is φ = 136417776.

The previous prime is 213928081. The next prime is 213928093. The reversal of 213928083 is 380829312.

It is a happy number.

It is not a de Polignac number, because 213928083 - 2¹ = 213928081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213928081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516528 + ... + 516941.

It is an arithmetic number, because the mean of its divisors is an integer number (26870220).

Almost surely, 2^213928083 is an apocalyptic number.

213928083 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213928083 is a deficient number, since it is larger than the sum of its proper divisors (108514557).

213928083 is a wasteful number, since it uses less digits than its factorization.

213928083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033498 (or 1033495 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 213928083 is about 14626.2805593220. The cubic root of 213928083 is about 598.0753914038.

The spelling of 213928083 in words is "two hundred thirteen million, nine hundred twenty-eight thousand, eighty-three".