461438 has 4 divisors (see below), whose sum is σ = 692160. Its totient is φ = 230718.

The previous prime is 461437. The next prime is 461441. The reversal of 461438 is 834164.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115358 + ... + 115361.

It is an arithmetic number, because the mean of its divisors is an integer number (173040).

2⁴⁶¹⁴³⁸ is an apocalyptic number.

461438 is a deficient number, since it is larger than the sum of its proper divisors (230722).

461438 is a wasteful number, since it uses less digits than its factorization.

461438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230721.

The product of its digits is 2304, while the sum is 26.

The square root of 461438 is about 679.2922787725. The cubic root of 461438 is about 77.2747814490.

The spelling of 461438 in words is "four hundred sixty-one thousand, four hundred thirty-eight".