999650466 has 24 divisors (see below), whose sum is σ = 2195582220. Its totient is φ = 328651776.

The previous prime is 999650461. The next prime is 999650467. The reversal of 999650466 is 664056999.

It is a happy number.

999650466 is a `hidden beast` number, since 99 + 96 + 5 + 0 + 466 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 913550625 + 86099841 = 30225^2 + 9279^2 .

It is not an unprimeable number, because it can be changed into a prime (999650461) 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, 379071 + ... + 381698.

Almost surely, 2^999650466 is an apocalyptic number.

999650466 is an abundant number, since it is smaller than the sum of its proper divisors (1195931754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999650466 is a wasteful number, since it uses less digits than its factorization.

999650466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760850 (or 760847 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 999650466 is about 31617.2495008658. The cubic root of 999650466 is about 999.8834750891.

The spelling of 999650466 in words is "nine hundred ninety-nine million, six hundred fifty thousand, four hundred sixty-six".