613478 has 4 divisors (see below), whose sum is σ = 920220. Its totient is φ = 306738.

The previous prime is 613471. The next prime is 613493. The reversal of 613478 is 874316.

613478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 613478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153368 + ... + 153371.

It is an arithmetic number, because the mean of its divisors is an integer number (230055).

2⁶¹³⁴⁷⁸ is an apocalyptic number.

613478 is a deficient number, since it is larger than the sum of its proper divisors (306742).

613478 is a wasteful number, since it uses less digits than its factorization.

613478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306741.

The product of its digits is 4032, while the sum is 29.

The square root of 613478 is about 783.2483641860. The cubic root of 613478 is about 84.9701394535.

The spelling of 613478 in words is "six hundred thirteen thousand, four hundred seventy-eight".