4572891 has 12 divisors (see below), whose sum is σ = 6670768. Its totient is φ = 3018384.

The previous prime is 4572833. The next prime is 4572899. The reversal of 4572891 is 1982754.

4572891 is a `hidden beast` number, since 4 + 572 + 89 + 1 = 666.

It is not a de Polignac number, because 4572891 - 2¹¹ = 4570843 is a prime.

It is a super-2 number, since 2×4572891² = 41822664195762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4572899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1540 + ... + 3393.

Almost surely, 2^4572891 is an apocalyptic number.

4572891 is a deficient number, since it is larger than the sum of its proper divisors (2097877).

4572891 is a wasteful number, since it uses less digits than its factorization.

4572891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042 (or 5039 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4572891 is about 2138.4319021189. The cubic root of 4572891 is about 165.9830025660.

The spelling of 4572891 in words is "four million, five hundred seventy-two thousand, eight hundred ninety-one".