9955667 has 4 divisors (see below), whose sum is σ = 10092120. Its totient is φ = 9819216.

The previous prime is 9955651. The next prime is 9955697. The reversal of 9955667 is 7665599.

9955667 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: 7665599 = 29 ⋅264331.

It is a cyclic number.

It is not a de Polignac number, because 9955667 - 2⁴ = 9955651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9955637) 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, 68117 + ... + 68262.

It is an arithmetic number, because the mean of its divisors is an integer number (2523030).

Almost surely, 2^9955667 is an apocalyptic number.

9955667 is a deficient number, since it is larger than the sum of its proper divisors (136453).

9955667 is a wasteful number, since it uses less digits than its factorization.

9955667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136452.

The product of its digits is 510300, while the sum is 47.

The square root of 9955667 is about 3155.2602111395. The cubic root of 9955667 is about 215.1246221797.

The spelling of 9955667 in words is "nine million, nine hundred fifty-five thousand, six hundred sixty-seven".