9890079 has 4 divisors (see below), whose sum is σ = 13186776. Its totient is φ = 6593384.

The previous prime is 9890077. The next prime is 9890081. The reversal of 9890079 is 9700989.

It is a happy number.

9890079 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9700989 = 3 ⋅3233663.

It is an interprime number because it is at equal distance from previous prime (9890077) and next prime (9890081).

It is a cyclic number.

It is not a de Polignac number, because 9890079 - 2¹ = 9890077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9890079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890077) 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, 1648344 + ... + 1648349.

It is an arithmetic number, because the mean of its divisors is an integer number (3296694).

Almost surely, 2^9890079 is an apocalyptic number.

9890079 is a deficient number, since it is larger than the sum of its proper divisors (3296697).

9890079 is a wasteful number, since it uses less digits than its factorization.

9890079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296696.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 9890079 is about 3144.8495989475. The cubic root of 9890079 is about 214.6511667992.

The spelling of 9890079 in words is "nine million, eight hundred ninety thousand, seventy-nine".