461978 has 24 divisors (see below), whose sum is σ = 804384. Its totient is φ = 198440.

The previous prime is 461977. The next prime is 461983. The reversal of 461978 is 879164.

It is not an unprimeable number, because it can be changed into a prime (461971) 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, 5525 + ... + 5607.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2⁴⁶¹⁹⁷⁸ is an apocalyptic number.

461978 is a deficient number, since it is larger than the sum of its proper divisors (342406).

461978 is a wasteful number, since it uses less digits than its factorization.

461978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 119 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 461978 is about 679.6896350541. The cubic root of 461978 is about 77.3049134241.

The spelling of 461978 in words is "four hundred sixty-one thousand, nine hundred seventy-eight".