40593889 has 16 divisors (see below), whose sum is σ = 47456640. Its totient is φ = 34007040.

The previous prime is 40593871. The next prime is 40593901. The reversal of 40593889 is 98839504.

It is a cyclic number.

It is not a de Polignac number, because 40593889 - 2²⁵ = 7039457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40593809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63009 + ... + 63649.

It is an arithmetic number, because the mean of its divisors is an integer number (2966040).

Almost surely, 2^40593889 is an apocalyptic number.

It is an amenable number.

40593889 is a deficient number, since it is larger than the sum of its proper divisors (6862751).

40593889 is a wasteful number, since it uses less digits than its factorization.

40593889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 40593889 is about 6371.3333769314. Note that the first 4 decimals coincide. The cubic root of 40593889 is about 343.6794409889.

The spelling of 40593889 in words is "forty million, five hundred ninety-three thousand, eight hundred eighty-nine".