2872901 has 4 divisors (see below), whose sum is σ = 2890272. Its totient is φ = 2855532.

The previous prime is 2872897. The next prime is 2872921. The reversal of 2872901 is 1092782.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1092782 = 2 ⋅546391.

It is a cyclic number.

It is not a de Polignac number, because 2872901 - 2² = 2872897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872921) 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, 8435 + ... + 8768.

It is an arithmetic number, because the mean of its divisors is an integer number (722568).

2^2872901 is an apocalyptic number.

It is an amenable number.

2872901 is a deficient number, since it is larger than the sum of its proper divisors (17371).

2872901 is a wasteful number, since it uses less digits than its factorization.

2872901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17370.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2872901 is about 1694.9634214342. The cubic root of 2872901 is about 142.1587360646.

It can be divided in two parts, 2872 and 901, that added together give a palindrome (3773).

The spelling of 2872901 in words is "two million, eight hundred seventy-two thousand, nine hundred one".