2867172 has 96 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 712320.

The previous prime is 2867107. The next prime is 2867213. The reversal of 2867172 is 2717682.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26743 + ... + 26849.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^2867172 is an apocalyptic number.

2867172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2867172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

2867172 is an abundant number, since it is smaller than the sum of its proper divisors (5841948).

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

2867172 is a wasteful number, since it uses less digits than its factorization.

2867172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 159 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 2867172 is about 1693.2725710883. The cubic root of 2867172 is about 142.0641778273.

The spelling of 2867172 in words is "two million, eight hundred sixty-seven thousand, one hundred seventy-two".