4349891 has 12 divisors (see below), whose sum is σ = 5384592. Its totient is φ = 3440736.

The previous prime is 4349881. The next prime is 4349899. The reversal of 4349891 is 1989434.

It is not a de Polignac number, because 4349891 - 2¹⁴ = 4333507 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4349899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 656 + ... + 3021.

It is an arithmetic number, because the mean of its divisors is an integer number (448716).

Almost surely, 2^4349891 is an apocalyptic number.

4349891 is a deficient number, since it is larger than the sum of its proper divisors (1034701).

4349891 is a wasteful number, since it uses less digits than its factorization.

4349891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710 (or 3697 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 4349891 is about 2085.6392305478. The cubic root of 4349891 is about 163.2398266211.

The spelling of 4349891 in words is "four million, three hundred forty-nine thousand, eight hundred ninety-one".