406463213 has 8 divisors (see below), whose sum is σ = 445149600. Its totient is φ = 368836848.

The previous prime is 406463203. The next prime is 406463231. The reversal of 406463213 is 312364604.

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

It is not a de Polignac number, because 406463213 - 2¹⁸ = 406201069 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 (406463203) 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, 264203 + ... + 265736.

It is an arithmetic number, because the mean of its divisors is an integer number (55643700).

Almost surely, 2^406463213 is an apocalyptic number.

It is an amenable number.

406463213 is a deficient number, since it is larger than the sum of its proper divisors (38686387).

406463213 is a wasteful number, since it uses less digits than its factorization.

406463213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530011.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 406463213 is about 20160.9328405210. The cubic root of 406463213 is about 740.7535621694.

The spelling of 406463213 in words is "four hundred six million, four hundred sixty-three thousand, two hundred thirteen".