619601 has 4 divisors (see below), whose sum is σ = 632832. Its totient is φ = 606372.

The previous prime is 619589. The next prime is 619603. The reversal of 619601 is 106916.

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 619601 - 2⁶ = 619537 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 619601.

It is not an unprimeable number, because it can be changed into a prime (619603) 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, 6545 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (158208).

2⁶¹⁹⁶⁰¹ is an apocalyptic number.

It is an amenable number.

619601 is a deficient number, since it is larger than the sum of its proper divisors (13231).

619601 is a wasteful number, since it uses less digits than its factorization.

619601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13230.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 619601 is about 787.1473813715. The cubic root of 619601 is about 85.2518940765.

The spelling of 619601 in words is "six hundred nineteen thousand, six hundred one".