40604089 has 4 divisors (see below), whose sum is σ = 42004260. Its totient is φ = 39203920.

The previous prime is 40604029. The next prime is 40604111. The reversal of 40604089 is 98040604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30415225 + 10188864 = 5515^2 + 3192^2 .

It is a cyclic number.

It is not a de Polignac number, because 40604089 - 2¹¹ = 40602041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40604089.

It is not an unprimeable number, because it can be changed into a prime (40604029) 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, 700042 + ... + 700099.

It is an arithmetic number, because the mean of its divisors is an integer number (10501065).

Almost surely, 2^40604089 is an apocalyptic number.

It is an amenable number.

40604089 is a deficient number, since it is larger than the sum of its proper divisors (1400171).

40604089 is a wasteful number, since it uses less digits than its factorization.

40604089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400170.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40604089 is about 6372.1337870450. The cubic root of 40604089 is about 343.7082239479.

The spelling of 40604089 in words is "forty million, six hundred four thousand, eighty-nine".