461439 has 24 divisors (see below), whose sum is σ = 748800. Its totient is φ = 271440.

The previous prime is 461437. The next prime is 461441. The reversal of 461439 is 934164.

It is an interprime number because it is at equal distance from previous prime (461437) and next prime (461441).

It is not a de Polignac number, because 461439 - 2¹ = 461437 is a prime.

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 461439.

It is not an unprimeable number, because it can be changed into a prime (461437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5802 + ... + 5880.

It is an arithmetic number, because the mean of its divisors is an integer number (31200).

2⁴⁶¹⁴³⁹ is an apocalyptic number.

461439 is a deficient number, since it is larger than the sum of its proper divisors (287361).

461439 is a wasteful number, since it uses less digits than its factorization.

461439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 152 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 461439 is about 679.2930148323. The cubic root of 461439 is about 77.2748372707.

It can be divided in two parts, 461 and 439, that added together give a square (900 = 30²).

The spelling of 461439 in words is "four hundred sixty-one thousand, four hundred thirty-nine".