40930213 has 4 divisors (see below), whose sum is σ = 40952800. Its totient is φ = 40907628.

The previous prime is 40930187. The next prime is 40930229. The reversal of 40930213 is 31203904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40930213 - 2⁵ = 40930181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40930273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8313 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (10238200).

Almost surely, 2^40930213 is an apocalyptic number.

It is an amenable number.

40930213 is a deficient number, since it is larger than the sum of its proper divisors (22587).

40930213 is a wasteful number, since it uses less digits than its factorization.

40930213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22586.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40930213 is about 6397.6724673900. The cubic root of 40930213 is about 344.6259700553.

The spelling of 40930213 in words is "forty million, nine hundred thirty thousand, two hundred thirteen".