40984317 has 48 divisors (see below), whose sum is σ = 67324608. Its totient is φ = 23811840.

The previous prime is 40984313. The next prime is 40984319. The reversal of 40984317 is 71348904.

It is a happy number.

It is not a de Polignac number, because 40984317 - 2² = 40984313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40984313) 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 47 ways as a sum of consecutive naturals, for example, 382978 + ... + 383084.

It is an arithmetic number, because the mean of its divisors is an integer number (1402596).

Almost surely, 2^40984317 is an apocalyptic number.

It is an amenable number.

40984317 is a deficient number, since it is larger than the sum of its proper divisors (26340291).

40984317 is a wasteful number, since it uses less digits than its factorization.

40984317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 40984317 is about 6401.8994837470. The cubic root of 40984317 is about 344.7777522597. Note that the first 4 decimals are identical.

The spelling of 40984317 in words is "forty million, nine hundred eighty-four thousand, three hundred seventeen".