2906218 has 16 divisors (see below), whose sum is σ = 5275584. Its totient is φ = 1172160.

The previous prime is 2906213. The next prime is 2906231. The reversal of 2906218 is 8126092.

It is a happy number.

It is a super-2 number, since 2×2906218² = 16892206127048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2906213) 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, 5868 + ... + 6343.

It is an arithmetic number, because the mean of its divisors is an integer number (329724).

2^2906218 is an apocalyptic number.

2906218 is a deficient number, since it is larger than the sum of its proper divisors (2369366).

2906218 is a wasteful number, since it uses less digits than its factorization.

2906218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2906218 is about 1704.7633266820. The cubic root of 2906218 is about 142.7061630634.

The spelling of 2906218 in words is "two million, nine hundred six thousand, two hundred eighteen".