4891069 has 4 divisors (see below), whose sum is σ = 4901760. Its totient is φ = 4880380.

The previous prime is 4891063. The next prime is 4891079. The reversal of 4891069 is 9601984.

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.

It is a cyclic number.

It is not a de Polignac number, because 4891069 - 2¹⁹ = 4366781 is a prime.

It is a super-2 number, since 2×4891069² = 47845111925522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891063) 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, 4627 + ... + 5584.

It is an arithmetic number, because the mean of its divisors is an integer number (1225440).

Almost surely, 2^4891069 is an apocalyptic number.

It is an amenable number.

4891069 is a deficient number, since it is larger than the sum of its proper divisors (10691).

4891069 is a wasteful number, since it uses less digits than its factorization.

4891069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4891069 is about 2211.5761347962. The cubic root of 4891069 is about 169.7466699705.

Subtracting 4891069 from its reverse (9601984), we obtain a triangular number (4710915 = T₃₀₆₉).

The spelling of 4891069 in words is "four million, eight hundred ninety-one thousand, sixty-nine".