2472891 has 8 divisors (see below), whose sum is σ = 3440640. Its totient is φ = 1576872.

The previous prime is 2472857. The next prime is 2472893. The reversal of 2472891 is 1982742.

It is a happy number.

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

It is not a de Polignac number, because 2472891 - 2¹⁷ = 2341819 is a prime.

It is a super-2 number, since 2×2472891² = 12230379795762, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2472893) 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, 17851 + ... + 17988.

It is an arithmetic number, because the mean of its divisors is an integer number (430080).

2^2472891 is an apocalyptic number.

2472891 is a deficient number, since it is larger than the sum of its proper divisors (967749).

2472891 is a wasteful number, since it uses less digits than its factorization.

2472891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35865.

The product of its digits is 8064, while the sum is 33.

The square root of 2472891 is about 1572.5428452033. The cubic root of 2472891 is about 135.2285292490.

The spelling of 2472891 in words is "two million, four hundred seventy-two thousand, eight hundred ninety-one".