461505830 has 16 divisors (see below), whose sum is σ = 836214624. Its totient is φ = 183379200.

The previous prime is 461505829. The next prime is 461505841. The reversal of 461505830 is 38505164.

It is a happy number.

It is a super-2 number, since 2×461505830² = 425975262247977800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151307 + ... + 154326.

It is an arithmetic number, because the mean of its divisors is an integer number (52263414).

Almost surely, 2^461505830 is an apocalyptic number.

461505830 is a deficient number, since it is larger than the sum of its proper divisors (374708794).

461505830 is a wasteful number, since it uses less digits than its factorization.

461505830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305791.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 461505830 is about 21482.6867500320. The cubic root of 461505830 is about 772.7856765042.

The spelling of 461505830 in words is "four hundred sixty-one million, five hundred five thousand, eight hundred thirty".