9954155 has 4 divisors (see below), whose sum is σ = 11944992. Its totient is φ = 7963320.

The previous prime is 9954151. The next prime is 9954167. The reversal of 9954155 is 5514599.

9954155 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: 5514599 = 359 ⋅15361.

It is not a de Polignac number, because 9954155 - 2² = 9954151 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9954151) 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, 995411 + ... + 995420.

It is an arithmetic number, because the mean of its divisors is an integer number (2986248).

Almost surely, 2^9954155 is an apocalyptic number.

9954155 is a deficient number, since it is larger than the sum of its proper divisors (1990837).

9954155 is a wasteful number, since it uses less digits than its factorization.

9954155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990836.

The product of its digits is 40500, while the sum is 38.

The square root of 9954155 is about 3155.0206021514. The cubic root of 9954155 is about 215.1137310662.

The spelling of 9954155 in words is "nine million, nine hundred fifty-four thousand, one hundred fifty-five".