9969958 has 16 divisors (see below), whose sum is σ = 15336000. Its totient is φ = 4859712.

The previous prime is 9969943. The next prime is 9969959. The reversal of 9969958 is 8599699.

It is a junction number, because it is equal to n+sod(n) for n = 9969899 and 9969908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9969959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13708 + ... + 14416.

It is an arithmetic number, because the mean of its divisors is an integer number (958500).

Almost surely, 2^9969958 is an apocalyptic number.

9969958 is a deficient number, since it is larger than the sum of its proper divisors (5366042).

9969958 is a wasteful number, since it uses less digits than its factorization.

9969958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 1574640, while the sum is 55.

The square root of 9969958 is about 3157.5240299957. The cubic root of 9969958 is about 215.2275075049.

The spelling of 9969958 in words is "nine million, nine hundred sixty-nine thousand, nine hundred fifty-eight".