406120213 has 8 divisors (see below), whose sum is σ = 412304256. Its totient is φ = 399949200.

The previous prime is 406120199. The next prime is 406120229. The reversal of 406120213 is 312021604.

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 406120213 - 2¹⁷ = 405989141 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 (406120313) 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, 72783 + ... + 78163.

It is an arithmetic number, because the mean of its divisors is an integer number (51538032).

Almost surely, 2^406120213 is an apocalyptic number.

It is an amenable number.

406120213 is a deficient number, since it is larger than the sum of its proper divisors (6184043).

406120213 is a wasteful number, since it uses less digits than its factorization.

406120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 406120213 is about 20152.4244943381. The cubic root of 406120213 is about 740.5451382444.

Adding to 406120213 its reverse (312021604), we get a palindrome (718141817).

The spelling of 406120213 in words is "four hundred six million, one hundred twenty thousand, two hundred thirteen".