619349 has 4 divisors (see below), whose sum is σ = 639360. Its totient is φ = 599340.

The previous prime is 619331. The next prime is 619363. The reversal of 619349 is 943916.

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 619349 - 2¹² = 615253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (619309) by changing a digit.

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, 9959 + ... + 10020.

It is an arithmetic number, because the mean of its divisors is an integer number (159840).

2⁶¹⁹³⁴⁹ is an apocalyptic number.

It is an amenable number.

619349 is a deficient number, since it is larger than the sum of its proper divisors (20011).

619349 is a wasteful number, since it uses less digits than its factorization.

619349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20010.

The product of its digits is 5832, while the sum is 32.

The square root of 619349 is about 786.9872934171. The cubic root of 619349 is about 85.2403348147.

The spelling of 619349 in words is "six hundred nineteen thousand, three hundred forty-nine".