40894589 has 8 divisors (see below), whose sum is σ = 42520128. Its totient is φ = 39299040.

The previous prime is 40894531. The next prime is 40894603. The reversal of 40894589 is 98549804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40894589 is a prime.

It is a super-3 number, since 3×40894589³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40894489) 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, 4697 + ... + 10190.

It is an arithmetic number, because the mean of its divisors is an integer number (5315016).

Almost surely, 2^40894589 is an apocalyptic number.

It is an amenable number.

40894589 is a deficient number, since it is larger than the sum of its proper divisors (1625539).

40894589 is a wasteful number, since it uses less digits than its factorization.

40894589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14995.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 40894589 is about 6394.8877237994. The cubic root of 40894589 is about 344.5259582044.

The spelling of 40894589 in words is "forty million, eight hundred ninety-four thousand, five hundred eighty-nine".