40593947 has 8 divisors (see below), whose sum is σ = 42163200. Its totient is φ = 39054184.

The previous prime is 40593929. The next prime is 40593953. The reversal of 40593947 is 74939504.

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

It is a cyclic number.

It is not a de Polignac number, because 40593947 - 2²⁰ = 39545371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40593907) 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, 4547 + ... + 10092.

It is an arithmetic number, because the mean of its divisors is an integer number (5270400).

Almost surely, 2^40593947 is an apocalyptic number.

40593947 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40593947 is a deficient number, since it is larger than the sum of its proper divisors (1569253).

40593947 is a wasteful number, since it uses less digits than its factorization.

40593947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14745.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 40593947 is about 6371.3379285673. The cubic root of 40593947 is about 343.6796046704.

The spelling of 40593947 in words is "forty million, five hundred ninety-three thousand, nine hundred forty-seven".