246640466 has 8 divisors (see below), whose sum is σ = 370094844. Its totient is φ = 123275520.

The previous prime is 246640421. The next prime is 246640469. The reversal of 246640466 is 664046642.

It can be written as a sum of positive squares in 2 ways, for example, as 234978241 + 11662225 = 15329^2 + 3415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (246640469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14975 + ... + 26786.

Almost surely, 2^246640466 is an apocalyptic number.

246640466 is a deficient number, since it is larger than the sum of its proper divisors (123454378).

246640466 is a wasteful number, since it uses less digits than its factorization.

246640466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44716.

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 246640466 is about 15704.7911797642. The cubic root of 246640466 is about 627.1259579385.

The spelling of 246640466 in words is "two hundred forty-six million, six hundred forty thousand, four hundred sixty-six".