461604847 has 4 divisors (see below), whose sum is σ = 503568936. Its totient is φ = 419640760.

The previous prime is 461604841. The next prime is 461604851. The reversal of 461604847 is 748406164.

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

It is not a de Polignac number, because 461604847 - 2¹⁵ = 461572079 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461604841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20982028 + ... + 20982049.

It is an arithmetic number, because the mean of its divisors is an integer number (125892234).

Almost surely, 2^461604847 is an apocalyptic number.

461604847 is a deficient number, since it is larger than the sum of its proper divisors (41964089).

461604847 is a wasteful number, since it uses less digits than its factorization.

461604847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41964088.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 461604847 is about 21484.9912031632. The cubic root of 461604847 is about 772.8409401235.

The spelling of 461604847 in words is "four hundred sixty-one million, six hundred four thousand, eight hundred forty-seven".