4391069 has 4 divisors (see below), whose sum is σ = 4484544. Its totient is φ = 4297596.

The previous prime is 4391063. The next prime is 4391081. The reversal of 4391069 is 9601934.

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 4391069 - 2¹² = 4386973 is a prime.

It is a super-2 number, since 2×4391069² = 38562973925522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391063) 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, 46667 + ... + 46760.

It is an arithmetic number, because the mean of its divisors is an integer number (1121136).

Almost surely, 2^4391069 is an apocalyptic number.

It is an amenable number.

4391069 is a deficient number, since it is larger than the sum of its proper divisors (93475).

4391069 is an equidigital number, since it uses as much as digits as its factorization.

4391069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93474.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 4391069 is about 2095.4877713793. The cubic root of 4391069 is about 163.7533099578.

The spelling of 4391069 in words is "four million, three hundred ninety-one thousand, sixty-nine".