613394 has 8 divisors (see below), whose sum is σ = 974268. Its totient is φ = 288640.

The previous prime is 613381. The next prime is 613421. The reversal of 613394 is 493316.

It can be written as a sum of positive squares in 2 ways, for example, as 600625 + 12769 = 775^2 + 113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8987 + ... + 9054.

2⁶¹³³⁹⁴ is an apocalyptic number.

613394 is a deficient number, since it is larger than the sum of its proper divisors (360874).

613394 is a wasteful number, since it uses less digits than its factorization.

613394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18060.

The product of its digits is 1944, while the sum is 26.

The square root of 613394 is about 783.1947395125. The cubic root of 613394 is about 84.9662611197.

The spelling of 613394 in words is "six hundred thirteen thousand, three hundred ninety-four".