8390404213 has 8 divisors (see below), whose sum is σ = 8923799808. Its totient is φ = 7861435584.

The previous prime is 8390404157. The next prime is 8390404291. The reversal of 8390404213 is 3124040938.

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 8390404213 - 2¹⁷ = 8390273141 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 (8390494213) 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, 1102831 + ... + 1110412.

It is an arithmetic number, because the mean of its divisors is an integer number (1115474976).

Almost surely, 2^8390404213 is an apocalyptic number.

It is an amenable number.

8390404213 is a deficient number, since it is larger than the sum of its proper divisors (533395595).

8390404213 is a wasteful number, since it uses less digits than its factorization.

8390404213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213483.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 8390404213 is about 91599.1496303323. The cubic root of 8390404213 is about 2032.0183613161.

The spelling of 8390404213 in words is "eight billion, three hundred ninety million, four hundred four thousand, two hundred thirteen".