461389 has 4 divisors (see below), whose sum is σ = 462880. Its totient is φ = 459900.

The previous prime is 461381. The next prime is 461393. The reversal of 461389 is 983164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 461389 - 2³ = 461381 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461381) 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, 87 + ... + 964.

It is an arithmetic number, because the mean of its divisors is an integer number (115720).

2⁴⁶¹³⁸⁹ is an apocalyptic number.

It is an amenable number.

461389 is a deficient number, since it is larger than the sum of its proper divisors (1491).

461389 is a wasteful number, since it uses less digits than its factorization.

461389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its digits is 5184, while the sum is 31.

The square root of 461389 is about 679.2562108660. The cubic root of 461389 is about 77.2720460882.

The spelling of 461389 in words is "four hundred sixty-one thousand, three hundred eighty-nine".