619980 has 24 divisors (see below), whose sum is σ = 1736112. Its totient is φ = 165312.

The previous prime is 619979. The next prime is 619981. The reversal of 619980 is 89916.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (619979) and next prime (619981).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 619980.

It is not an unprimeable number, because it can be changed into a prime (619981) 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 7 ways as a sum of consecutive naturals, for example, 5107 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (72338).

2⁶¹⁹⁹⁸⁰ is an apocalyptic number.

619980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

619980 is an abundant number, since it is smaller than the sum of its proper divisors (1116132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

619980 is a wasteful number, since it uses less digits than its factorization.

619980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345 (or 10343 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 619980 is about 787.3880872861. The cubic root of 619980 is about 85.2692729392.

The spelling of 619980 in words is "six hundred nineteen thousand, nine hundred eighty".