474839 has 2 divisors, whose sum is σ = 474840. Its totient is φ = 474838.

The previous prime is 474811. The next prime is 474847. The reversal of 474839 is 938474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 474839 - 2⁸ = 474583 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 474799 and 474808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237419 + 237420.

It is an arithmetic number, because the mean of its divisors is an integer number (237420).

2⁴⁷⁴⁸³⁹ is an apocalyptic number.

474839 is a deficient number, since it is larger than the sum of its proper divisors (1).

474839 is an equidigital number, since it uses as much as digits as its factorization.

474839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 474839 is about 689.0856260292. The cubic root of 474839 is about 78.0157211353.

The spelling of 474839 in words is "four hundred seventy-four thousand, eight hundred thirty-nine".