40893541 has 8 divisors (see below), whose sum is σ = 44362584. Its totient is φ = 37470720.

The previous prime is 40893527. The next prime is 40893553. The reversal of 40893541 is 14539804.

It can be written as a sum of positive squares in 4 ways, for example, as 4532641 + 36360900 = 2129^2 + 6030^2 .

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 40893541 - 2²¹ = 38796389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40893497 and 40893506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40893571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9700 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (5545323).

Almost surely, 2^40893541 is an apocalyptic number.

It is an amenable number.

40893541 is a deficient number, since it is larger than the sum of its proper divisors (3469043).

40893541 is a wasteful number, since it uses less digits than its factorization.

40893541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23111.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40893541 is about 6394.8057828209. The cubic root of 40893541 is about 344.5230151395.

The spelling of 40893541 in words is "forty million, eight hundred ninety-three thousand, five hundred forty-one".