613398 has 8 divisors (see below), whose sum is σ = 1226808. Its totient is φ = 204464.

The previous prime is 613381. The next prime is 613421. The reversal of 613398 is 893316.

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

613398 is an admirable number.

It is an Ulam 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, 51111 + ... + 51122.

It is an arithmetic number, because the mean of its divisors is an integer number (153351).

2⁶¹³³⁹⁸ is an apocalyptic number.

613398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

613398 is a wasteful number, since it uses less digits than its factorization.

613398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102238.

The product of its digits is 3888, while the sum is 30.

The square root of 613398 is about 783.1972931516. The cubic root of 613398 is about 84.9664458103.

The spelling of 613398 in words is "six hundred thirteen thousand, three hundred ninety-eight".