40893213 has 8 divisors (see below), whose sum is σ = 55271488. Its totient is φ = 26888544.

The previous prime is 40893197. The next prime is 40893227. The reversal of 40893213 is 31239804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40893213 - 2⁴ = 40893197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40893253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93145 + ... + 93582.

It is an arithmetic number, because the mean of its divisors is an integer number (6908936).

Almost surely, 2^40893213 is an apocalyptic number.

It is an amenable number.

40893213 is a deficient number, since it is larger than the sum of its proper divisors (14378275).

40893213 is a wasteful number, since it uses less digits than its factorization.

40893213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186803.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 40893213 is about 6394.7801369555. The cubic root of 40893213 is about 344.5220940173.

The spelling of 40893213 in words is "forty million, eight hundred ninety-three thousand, two hundred thirteen".