8213460 has 48 divisors (see below), whose sum is σ = 23122176. Its totient is φ = 2178432.

The previous prime is 8213459. The next prime is 8213479. The reversal of 8213460 is 643128.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8213460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21834 + ... + 22206.

It is an arithmetic number, because the mean of its divisors is an integer number (481712).

Almost surely, 2^8213460 is an apocalyptic number.

It is an amenable number.

8213460 is an abundant number, since it is smaller than the sum of its proper divisors (14908716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8213460 is a wasteful number, since it uses less digits than its factorization.

8213460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 8213460 is about 2865.9134669421. The cubic root of 8213460 is about 201.7632425292.

Adding to 8213460 its reverse (643128), we get a palindrome (8856588).

The spelling of 8213460 in words is "eight million, two hundred thirteen thousand, four hundred sixty".