2918272 has 32 divisors (see below), whose sum is σ = 6646320. Its totient is φ = 1250304.

The previous prime is 2918261. The next prime is 2918273. The reversal of 2918272 is 2728192.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2918272² = 17032622931968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918273) 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, 733 + ... + 2524.

2^2918272 is an apocalyptic number.

It is an amenable number.

2918272 is an abundant number, since it is smaller than the sum of its proper divisors (3728048).

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

2918272 is an equidigital number, since it uses as much as digits as its factorization.

2918272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3266 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2918272 is about 1708.2950564818. The cubic root of 2918272 is about 142.9031897276.

The spelling of 2918272 in words is "two million, nine hundred eighteen thousand, two hundred seventy-two".