478734 has 16 divisors (see below), whose sum is σ = 971472. Its totient is φ = 157248.

The previous prime is 478729. The next prime is 478739. The reversal of 478734 is 437874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (478729) and next prime (478739).

It is a junction number, because it is equal to n+sod(n) for n = 478695 and 478704.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478734.

It is not an unprimeable number, because it can be changed into a prime (478739) by changing a digit.

478734 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 984.

It is an arithmetic number, because the mean of its divisors is an integer number (60717).

2⁴⁷⁸⁷³⁴ is an apocalyptic number.

478734 is an abundant number, since it is smaller than the sum of its proper divisors (492738).

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

478734 is a wasteful number, since it uses less digits than its factorization.

478734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its digits is 18816, while the sum is 33.

The square root of 478734 is about 691.9060629883. The cubic root of 478734 is about 78.2284557932.

The spelling of 478734 in words is "four hundred seventy-eight thousand, seven hundred thirty-four".