461771928 has 64 divisors (see below), whose sum is σ = 1298584800. Its totient is φ = 153918144.

The previous prime is 461771923. The next prime is 461771929. The reversal of 461771928 is 829177164.

It is a happy number.

461771928 is a `hidden beast` number, since 4 + 617 + 7 + 1 + 9 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461771923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4300 + ... + 30692.

Almost surely, 2^461771928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461771928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649292400).

461771928 is an abundant number, since it is smaller than the sum of its proper divisors (836812872).

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

461771928 is an equidigital number, since it uses as much as digits as its factorization.

461771928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26420 (or 26398 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 461771928 is about 21488.8791703988. The cubic root of 461771928 is about 772.9341738794.

The spelling of 461771928 in words is "four hundred sixty-one million, seven hundred seventy-one thousand, nine hundred twenty-eight".