4006089 has 12 divisors (see below), whose sum is σ = 5986500. Its totient is φ = 2578464.

The previous prime is 4006063. The next prime is 4006091. The reversal of 4006089 is 9806004.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 2295225 = 1308^2 + 1515^2 .

It is not a de Polignac number, because 4006089 - 2¹³ = 3997897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4006019) 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, 7414 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (498875).

Almost surely, 2^4006089 is an apocalyptic number.

It is an amenable number.

4006089 is a deficient number, since it is larger than the sum of its proper divisors (1980411).

4006089 is a wasteful number, since it uses less digits than its factorization.

4006089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15384 (or 15381 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4006089 is about 2001.5216711292. The cubic root of 4006089 is about 158.8206117353.

The spelling of 4006089 in words is "four million, six thousand, eighty-nine".