9980493 has 4 divisors (see below), whose sum is σ = 13307328. Its totient is φ = 6653660.

The previous prime is 9980473. The next prime is 9980519. The reversal of 9980493 is 3940899.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3940899 = 3 ⋅1313633.

It is a cyclic number.

It is not a de Polignac number, because 9980493 - 2⁵ = 9980461 is a prime.

It is a super-2 number, since 2×9980493² = 199220481046098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980473) 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, 1663413 + ... + 1663418.

It is an arithmetic number, because the mean of its divisors is an integer number (3326832).

Almost surely, 2^9980493 is an apocalyptic number.

It is an amenable number.

9980493 is a deficient number, since it is larger than the sum of its proper divisors (3326835).

9980493 is a wasteful number, since it uses less digits than its factorization.

9980493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326834.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 9980493 is about 3159.1918270342. The cubic root of 9980493 is about 215.3032892891.

The spelling of 9980493 in words is "nine million, nine hundred eighty thousand, four hundred ninety-three".