40893811 has 8 divisors (see below), whose sum is σ = 46829664. Its totient is φ = 34981440.

The previous prime is 40893767. The next prime is 40893821. The reversal of 40893811 is 11839804.

It is a happy number.

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 40893811 - 2⁹ = 40893299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40893821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (5853708).

Almost surely, 2^40893811 is an apocalyptic number.

40893811 is a deficient number, since it is larger than the sum of its proper divisors (5935853).

40893811 is a wasteful number, since it uses less digits than its factorization.

40893811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11741.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 40893811 is about 6394.8268936696. The cubic root of 40893811 is about 344.5237733767.

The spelling of 40893811 in words is "forty million, eight hundred ninety-three thousand, eight hundred eleven".