461421 has 12 divisors (see below), whose sum is σ = 672672. Its totient is φ = 304776.

The previous prime is 461413. The next prime is 461437. The reversal of 461421 is 124164.

It is not a de Polignac number, because 461421 - 2³ = 461413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461394 and 461403.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 461421.

It is not an unprimeable number, because it can be changed into a prime (461411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1350 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (56056).

2⁴⁶¹⁴²¹ is an apocalyptic number.

It is an amenable number.

461421 is a deficient number, since it is larger than the sum of its proper divisors (211251).

461421 is a wasteful number, since it uses less digits than its factorization.

461421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 461421 is about 679.2797656342. The cubic root of 461421 is about 77.2738324682.

Adding to 461421 its reverse (124164), we get a palindrome (585585).

It can be divided in two parts, 4 and 61421, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 461421 in words is "four hundred sixty-one thousand, four hundred twenty-one".