461441421 has 32 divisors (see below), whose sum is σ = 827239680. Its totient is φ = 248168448.

The previous prime is 461441411. The next prime is 461441423. The reversal of 461441421 is 124144164.

461441421 is a `hidden beast` number, since 4 + 614 + 4 + 1 + 42 + 1 = 666.

It is not a de Polignac number, because 461441421 - 2¹⁴ = 461425037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461441423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68596 + ... + 75021.

It is an arithmetic number, because the mean of its divisors is an integer number (25851240).

Almost surely, 2^461441421 is an apocalyptic number.

It is an amenable number.

461441421 is a deficient number, since it is larger than the sum of its proper divisors (365798259).

461441421 is a wasteful number, since it uses less digits than its factorization.

461441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143650 (or 143644 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 461441421 is about 21481.1876068340. The cubic root of 461441421 is about 772.7497241462.

Adding to 461441421 its reverse (124144164), we get a palindrome (585585585).

The spelling of 461441421 in words is "four hundred sixty-one million, four hundred forty-one thousand, four hundred twenty-one".