2872317 has 8 divisors (see below), whose sum is σ = 4376896. Its totient is φ = 1641312.

The previous prime is 2872313. The next prime is 2872327. The reversal of 2872317 is 7132782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2872317 - 2² = 2872313 is a prime.

It is an Ulam number.

It is a Duffinian number.

2872317 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872313) 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, 68368 + ... + 68409.

It is an arithmetic number, because the mean of its divisors is an integer number (547112).

2^2872317 is an apocalyptic number.

It is an amenable number.

2872317 is a deficient number, since it is larger than the sum of its proper divisors (1504579).

2872317 is a wasteful number, since it uses less digits than its factorization.

2872317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136787.

The product of its digits is 4704, while the sum is 30.

The square root of 2872317 is about 1694.7911375742. The cubic root of 2872317 is about 142.1491027905.

The spelling of 2872317 in words is "two million, eight hundred seventy-two thousand, three hundred seventeen".