2946155 has 4 divisors (see below), whose sum is σ = 3535392. Its totient is φ = 2356920.

The previous prime is 2946149. The next prime is 2946157. The reversal of 2946155 is 5516492.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2946155 - 2⁶ = 2946091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2946157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294611 + ... + 294620.

It is an arithmetic number, because the mean of its divisors is an integer number (883848).

2^2946155 is an apocalyptic number.

2946155 is a deficient number, since it is larger than the sum of its proper divisors (589237).

2946155 is an equidigital number, since it uses as much as digits as its factorization.

2946155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589236.

The product of its digits is 10800, while the sum is 32.

The square root of 2946155 is about 1716.4367159904. The cubic root of 2946155 is about 143.3568767288.

The spelling of 2946155 in words is "two million, nine hundred forty-six thousand, one hundred fifty-five".