400210213 has 8 divisors (see below), whose sum is σ = 432716256. Its totient is φ = 367950000.

The previous prime is 400210207. The next prime is 400210231. The reversal of 400210213 is 312012004.

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 400210213 - 2⁹ = 400209701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400210193 and 400210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400213213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58063 + ... + 64588.

It is an arithmetic number, because the mean of its divisors is an integer number (54089532).

Almost surely, 2^400210213 is an apocalyptic number.

It is an amenable number.

400210213 is a deficient number, since it is larger than the sum of its proper divisors (32506043).

400210213 is a wasteful number, since it uses less digits than its factorization.

400210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122915.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 400210213 is about 20005.2546347203. The cubic root of 400210213 is about 736.9353490098.

Adding to 400210213 its reverse (312012004), we get a palindrome (712222217).

The spelling of 400210213 in words is "four hundred million, two hundred ten thousand, two hundred thirteen".