613946 has 8 divisors (see below), whose sum is σ = 925344. Its totient is φ = 305500.

The previous prime is 613903. The next prime is 613957. The reversal of 613946 is 649316.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110 + ... + 1113.

It is an arithmetic number, because the mean of its divisors is an integer number (115668).

2⁶¹³⁹⁴⁶ is an apocalyptic number.

613946 is a deficient number, since it is larger than the sum of its proper divisors (311398).

613946 is a wasteful number, since it uses less digits than its factorization.

613946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its digits is 3888, while the sum is 29.

The square root of 613946 is about 783.5470630409. The cubic root of 613946 is about 84.9917408353.

The spelling of 613946 in words is "six hundred thirteen thousand, nine hundred forty-six".