40084931 has 8 divisors (see below), whose sum is σ = 41623200. Its totient is φ = 38557120.

The previous prime is 40084909. The next prime is 40084939. The reversal of 40084931 is 13948004.

40084931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40084931 - 2⁶ = 40084867 is a prime.

It is a super-2 number, since 2×40084931² = 3213603386549522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40084894 and 40084903.

It is not an unprimeable number, because it can be changed into a prime (40084939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5690 + ... + 10608.

It is an arithmetic number, because the mean of its divisors is an integer number (5202900).

Almost surely, 2^40084931 is an apocalyptic number.

40084931 is a deficient number, since it is larger than the sum of its proper divisors (1538269).

40084931 is a wasteful number, since it uses less digits than its factorization.

40084931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40084931 is about 6331.2661450929. The cubic root of 40084931 is about 342.2370681695.

The spelling of 40084931 in words is "forty million, eighty-four thousand, nine hundred thirty-one".