9890007 has 4 divisors (see below), whose sum is σ = 13186680. Its totient is φ = 6593336.

The previous prime is 9889987. The next prime is 9890009. The reversal of 9890007 is 7000989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000989 = 3 ⋅2333663.

It is a cyclic number.

It is not a de Polignac number, because 9890007 - 2¹⁴ = 9873623 is a prime.

9890007 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9890007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890009) 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, 1648332 + ... + 1648337.

It is an arithmetic number, because the mean of its divisors is an integer number (3296670).

Almost surely, 2^9890007 is an apocalyptic number.

9890007 is a deficient number, since it is larger than the sum of its proper divisors (3296673).

9890007 is a wasteful number, since it uses less digits than its factorization.

9890007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296672.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 9890007 is about 3144.8381516383. The cubic root of 9890007 is about 214.6506459095.

The spelling of 9890007 in words is "nine million, eight hundred ninety thousand, seven".