461669994 has 24 divisors (see below), whose sum is σ = 1001870532. Its totient is φ = 153646080.

The previous prime is 461669983. The next prime is 461670047. The reversal of 461669994 is 499966164.

461669994 is a `hidden beast` number, since 461 + 6 + 6 + 99 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 443649969 + 18020025 = 21063^2 + 4245^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 461669994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8469 + ... + 31544.

Almost surely, 2^461669994 is an apocalyptic number.

461669994 is an abundant number, since it is smaller than the sum of its proper divisors (540200538).

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

461669994 is a wasteful number, since it uses less digits than its factorization.

461669994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40662 (or 40659 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 461669994 is about 21486.5072545540. The cubic root of 461669994 is about 772.8772958223.

The spelling of 461669994 in words is "four hundred sixty-one million, six hundred sixty-nine thousand, nine hundred ninety-four".