461021406 has 64 divisors (see below), whose sum is σ = 972410880. Its totient is φ = 145566720.

The previous prime is 461021383. The next prime is 461021417. The reversal of 461021406 is 604120164.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1701051 + ... + 1701321.

It is an arithmetic number, because the mean of its divisors is an integer number (15193920).

Almost surely, 2^461021406 is an apocalyptic number.

461021406 is an abundant number, since it is smaller than the sum of its proper divisors (511389474).

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

461021406 is a wasteful number, since it uses less digits than its factorization.

461021406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 461021406 is about 21471.4090362044. The cubic root of 461021406 is about 772.5151945567.

The spelling of 461021406 in words is "four hundred sixty-one million, twenty-one thousand, four hundred six".