9980019 has 24 divisors (see below), whose sum is σ = 16596320. Its totient is φ = 5660928.

The previous prime is 9980017. The next prime is 9980021. The reversal of 9980019 is 9100899.

It is an interprime number because it is at equal distance from previous prime (9980017) and next prime (9980021).

It is not a de Polignac number, because 9980019 - 2¹ = 9980017 is a prime.

It is a super-2 number, since 2×9980019² = 199201558480722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9980017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9387 + ... + 10395.

Almost surely, 2^9980019 is an apocalyptic number.

9980019 is a deficient number, since it is larger than the sum of its proper divisors (6616301).

9980019 is a wasteful number, since it uses less digits than its factorization.

9980019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 9980019 is about 3159.1168069573. The cubic root of 9980019 is about 215.2998807943.

It can be divided in two parts, 998001 and 9, that multiplied together give a square (8982009 = 2997²).

The spelling of 9980019 in words is "nine million, nine hundred eighty thousand, nineteen".