619399 has 6 divisors (see below), whose sum is σ = 680960. Its totient is φ = 562980.

The previous prime is 619397. The next prime is 619471. The reversal of 619399 is 993916.

It is not a de Polignac number, because 619399 - 2¹ = 619397 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 (619391) 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 5 ways as a sum of consecutive naturals, for example, 2439 + ... + 2680.

2⁶¹⁹³⁹⁹ is an apocalyptic number.

619399 is a deficient number, since it is larger than the sum of its proper divisors (61561).

619399 is a wasteful number, since it uses less digits than its factorization.

619399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5130 counting only the distinct ones).

The product of its digits is 13122, while the sum is 37.

The square root of 619399 is about 787.0190594897. The cubic root of 619399 is about 85.2426285683.

The spelling of 619399 in words is "six hundred nineteen thousand, three hundred ninety-nine".