40866343 has 6 divisors (see below), whose sum is σ = 47538456. Its totient is φ = 35028252.

The previous prime is 40866323. The next prime is 40866407. The reversal of 40866343 is 34366804.

It is a de Polignac number, because none of the positive numbers 2^k-40866343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40866299 and 40866308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40866313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416955 + ... + 417052.

It is an arithmetic number, because the mean of its divisors is an integer number (7923076).

Almost surely, 2^40866343 is an apocalyptic number.

40866343 is a deficient number, since it is larger than the sum of its proper divisors (6672113).

40866343 is an equidigital number, since it uses as much as digits as its factorization.

40866343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834021 (or 834014 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 40866343 is about 6392.6788594454. The cubic root of 40866343 is about 344.4466182736.

It can be divided in two parts, 40866 and 343, that added together give a square (41209 = 203²).

The spelling of 40866343 in words is "forty million, eight hundred sixty-six thousand, three hundred forty-three".