471978 has 24 divisors (see below), whose sum is σ = 1101828. Its totient is φ = 145152.

The previous prime is 471959. The next prime is 471997. The reversal of 471978 is 879174.

It is an interprime number because it is at equal distance from previous prime (471959) and next prime (471997).

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 9 = 687^2 + 3^2 .

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 775 + ... + 1242.

2⁴⁷¹⁹⁷⁸ is an apocalyptic number.

471978 is an abundant number, since it is smaller than the sum of its proper divisors (629850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471978 is a wasteful number, since it uses less digits than its factorization.

471978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2035 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 471978 is about 687.0065501871. The cubic root of 471978 is about 77.8587186105.

It can be divided in two parts, 47 and 1978, that added together give a square (2025 = 45²).

The spelling of 471978 in words is "four hundred seventy-one thousand, nine hundred seventy-eight".