2872017 has 24 divisors (see below), whose sum is σ = 4402944. Its totient is φ = 1870128.

The previous prime is 2872007. The next prime is 2872019. The reversal of 2872017 is 7102782.

It is not a de Polignac number, because 2872017 - 2⁸ = 2871761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2872017 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12768 + ... + 12990.

It is an arithmetic number, because the mean of its divisors is an integer number (183456).

2^2872017 is an apocalyptic number.

2872017 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2872017 is a deficient number, since it is larger than the sum of its proper divisors (1530927).

2872017 is an equidigital number, since it uses as much as digits as its factorization.

2872017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2872017 is about 1694.7026287818. The cubic root of 2872017 is about 142.1441536832.

Adding to 2872017 its reverse (7102782), we get a palindrome (9974799).

It can be divided in two parts, 287 and 2017, that added together give a square (2304 = 48²).

The spelling of 2872017 in words is "two million, eight hundred seventy-two thousand, seventeen".