481978 has 16 divisors (see below), whose sum is σ = 835200. Its totient is φ = 204336.

The previous prime is 481963. The next prime is 481997. The reversal of 481978 is 879184.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (52200).

2⁴⁸¹⁹⁷⁸ is an apocalyptic number.

481978 is a deficient number, since it is larger than the sum of its proper divisors (353222).

481978 is a wasteful number, since it uses less digits than its factorization.

481978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its digits is 16128, while the sum is 37.

The square root of 481978 is about 694.2463539695. The cubic root of 481978 is about 78.4047555424.

It can be divided in two parts, 48197 and 8, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 481978 in words is "four hundred eighty-one thousand, nine hundred seventy-eight".