2628172 has 12 divisors (see below), whose sum is σ = 4658080. Its totient is φ = 1297296.

The previous prime is 2628169. The next prime is 2628191. The reversal of 2628172 is 2718262.

It is a super-3 number, since 3×2628172³ = 54460623238168033344, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2628172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3843 + ... + 4474.

2^2628172 is an apocalyptic number.

It is an amenable number.

2628172 is a deficient number, since it is larger than the sum of its proper divisors (2029908).

2628172 is a wasteful number, since it uses less digits than its factorization.

2628172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400 (or 8398 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 2628172 is about 1621.1637795115. The cubic root of 2628172 is about 138.0017503104.

The spelling of 2628172 in words is "two million, six hundred twenty-eight thousand, one hundred seventy-two".