461918 has 4 divisors (see below), whose sum is σ = 692880. Its totient is φ = 230958.

The previous prime is 461917. The next prime is 461921. The reversal of 461918 is 819164.

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 (461917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115478 + ... + 115481.

It is an arithmetic number, because the mean of its divisors is an integer number (173220).

2⁴⁶¹⁹¹⁸ is an apocalyptic number.

461918 is a deficient number, since it is larger than the sum of its proper divisors (230962).

461918 is a wasteful number, since it uses less digits than its factorization.

461918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230961.

The product of its digits is 1728, while the sum is 29.

The square root of 461918 is about 679.6454958285. The cubic root of 461918 is about 77.3015665868.

The spelling of 461918 in words is "four hundred sixty-one thousand, nine hundred eighteen".