4617891 has 20 divisors (see below), whose sum is σ = 7050912. Its totient is φ = 3010608.

The previous prime is 4617887. The next prime is 4617901. The reversal of 4617891 is 1987164.

It is not a de Polignac number, because 4617891 - 2² = 4617887 is a prime.

4617891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4617191) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3201 + ... + 4413.

Almost surely, 2^4617891 is an apocalyptic number.

4617891 is a deficient number, since it is larger than the sum of its proper divisors (2433021).

4617891 is a wasteful number, since it uses less digits than its factorization.

4617891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1263 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 4617891 is about 2148.9278722191. The cubic root of 4617891 is about 166.5256838879.

The spelling of 4617891 in words is "four million, six hundred seventeen thousand, eight hundred ninety-one".