216494050 has 12 divisors (see below), whose sum is σ = 402679026. Its totient is φ = 86597600.

The previous prime is 216494027. The next prime is 216494053. The reversal of 216494050 is 50494612.

It can be written as a sum of positive squares in 3 ways, for example, as 210279001 + 6215049 = 14501^2 + 2493^2 .

It is not an unprimeable number, because it can be changed into a prime (216494053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2164891 + ... + 2164990.

Almost surely, 2^216494050 is an apocalyptic number.

216494050 is a deficient number, since it is larger than the sum of its proper divisors (186184976).

216494050 is a wasteful number, since it uses less digits than its factorization.

216494050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329893 (or 4329888 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 216494050 is about 14713.7367789423. The cubic root of 216494050 is about 600.4571053731.

The spelling of 216494050 in words is "two hundred sixteen million, four hundred ninety-four thousand, fifty".