613488 has 20 divisors (see below), whose sum is σ = 1584968. Its totient is φ = 204480.

The previous prime is 613471. The next prime is 613493. The reversal of 613488 is 884316.

It is a happy number.

It is a super-2 number, since 2×613488² = 752735052288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

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, 6343 + ... + 6438.

2⁶¹³⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

613488 is an abundant number, since it is smaller than the sum of its proper divisors (971480).

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

613488 is a wasteful number, since it uses less digits than its factorization.

613488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792 (or 12786 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 613488 is about 783.2547478311. The cubic root of 613488 is about 84.9706011364.

The spelling of 613488 in words is "six hundred thirteen thousand, four hundred eighty-eight".