6613949 has 8 divisors (see below), whose sum is σ = 6955200. Its totient is φ = 6277216.

The previous prime is 6613931. The next prime is 6613973. The reversal of 6613949 is 9493166.

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

It is a cyclic number.

It is not a de Polignac number, because 6613949 - 2¹⁶ = 6548413 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6613979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (869400).

Almost surely, 2^6613949 is an apocalyptic number.

It is an amenable number.

6613949 is a deficient number, since it is larger than the sum of its proper divisors (341251).

6613949 is a wasteful number, since it uses less digits than its factorization.

6613949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259.

The product of its digits is 34992, while the sum is 38.

The square root of 6613949 is about 2571.7599032569. The cubic root of 6613949 is about 187.7098001229.

The spelling of 6613949 in words is "six million, six hundred thirteen thousand, nine hundred forty-nine".