616349 has 4 divisors (see below), whose sum is σ = 618240. Its totient is φ = 614460.
The previous prime is 616327. The next prime is 616361. The reversal of 616349 is 943616.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 616349 - 216 = 550813 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (616849) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317 + ... + 1154.
It is an arithmetic number, because the mean of its divisors is an integer number (154560).
2616349 is an apocalyptic number.
It is an amenable number.
616349 is a deficient number, since it is larger than the sum of its proper divisors (1891).
616349 is a wasteful number, since it uses less digits than its factorization.
616349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1890.
The product of its digits is 3888, while the sum is 29.
The square root of 616349 is about 785.0789769189. The cubic root of 616349 is about 85.1024830779.
The spelling of 616349 in words is "six hundred sixteen thousand, three hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •