436428466 has 4 divisors (see below), whose sum is σ = 654642702. Its totient is φ = 218214232.

The previous prime is 436428463. The next prime is 436428521. The reversal of 436428466 is 664824634.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 228463225 + 207965241 = 15115^2 + 14421^2 .

It is a super-2 number, since 2×436428466² = 380939611870226312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (436428463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109107115 + ... + 109107118.

Almost surely, 2^436428466 is an apocalyptic number.

436428466 is a deficient number, since it is larger than the sum of its proper divisors (218214236).

436428466 is a wasteful number, since it uses less digits than its factorization.

436428466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218214235.

The product of its digits is 663552, while the sum is 43.

The square root of 436428466 is about 20890.8703983343. The cubic root of 436428466 is about 758.5269632776.

The spelling of 436428466 in words is "four hundred thirty-six million, four hundred twenty-eight thousand, four hundred sixty-six".