40846369 has 2 divisors, whose sum is σ = 40846370. Its totient is φ = 40846368.

The previous prime is 40846361. The next prime is 40846381. The reversal of 40846369 is 96364804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39125025 + 1721344 = 6255^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 40846369 - 2³ = 40846361 is a prime.

It is a super-2 number, since 2×40846369² = 3336851720968322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40846361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20423184 + 20423185.

It is an arithmetic number, because the mean of its divisors is an integer number (20423185).

Almost surely, 2^40846369 is an apocalyptic number.

It is an amenable number.

40846369 is a deficient number, since it is larger than the sum of its proper divisors (1).

40846369 is an equidigital number, since it uses as much as digits as its factorization.

40846369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 40846369 is about 6391.1164126465. The cubic root of 40846369 is about 344.3904914183.

The spelling of 40846369 in words is "forty million, eight hundred forty-six thousand, three hundred sixty-nine".