613494 has 40 divisors (see below), whose sum is σ = 1573968. Its totient is φ = 174960.

The previous prime is 613493. The next prime is 613499. The reversal of 613494 is 494316.

613494 is a `hidden beast` number, since 613 + 49 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613493) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 864 + ... + 1404.

2⁶¹³⁴⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786984).

613494 is an abundant number, since it is smaller than the sum of its proper divisors (960474).

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

613494 is a wasteful number, since it uses less digits than its factorization.

613494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 553 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 613494 is about 783.2585779932. The cubic root of 613494 is about 84.9708781437.

613494 divided by its sum of digits (27) gives a palindrome (22722).

The spelling of 613494 in words is "six hundred thirteen thousand, four hundred ninety-four".