2946220 has 12 divisors (see below), whose sum is σ = 6187104. Its totient is φ = 1178480.

The previous prime is 2946211. The next prime is 2946221. The reversal of 2946220 is 226492.

It is not an unprimeable number, because it can be changed into a prime (2946221) 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, 73636 + ... + 73675.

It is an arithmetic number, because the mean of its divisors is an integer number (515592).

2^2946220 is an apocalyptic number.

2946220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2946220 is an abundant number, since it is smaller than the sum of its proper divisors (3240884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2946220 is a wasteful number, since it uses less digits than its factorization.

2946220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147320 (or 147318 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2946220 is about 1716.4556504611. The cubic root of 2946220 is about 143.3579309988.

Subtracting from 2946220 its product of nonzero digits (1728), we obtain a palindrome (2944492).

The spelling of 2946220 in words is "two million, nine hundred forty-six thousand, two hundred twenty".