6406089 has 8 divisors (see below), whose sum is σ = 8555232. Its totient is φ = 4263840.

The previous prime is 6406087. The next prime is 6406109. The reversal of 6406089 is 9806046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6406089 - 2¹ = 6406087 is a prime.

It is a d-powerful number, because it can be written as 6³ + 4¹¹ + 0 + 6⁸ + 0 + 8³ + 9⁶ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6406087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (1069404).

Almost surely, 2^6406089 is an apocalyptic number.

It is an amenable number.

6406089 is a deficient number, since it is larger than the sum of its proper divisors (2149143).

6406089 is a wasteful number, since it uses less digits than its factorization.

6406089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 6406089 is about 2531.0252863217. The cubic root of 6406089 is about 185.7224151696.

The spelling of 6406089 in words is "six million, four hundred six thousand, eighty-nine".