8215130 has 64 divisors (see below), whose sum is σ = 18911232. Its totient is φ = 2495040.

The previous prime is 8215099. The next prime is 8215133. The reversal of 8215130 is 315128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8215133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36077 + ... + 36303.

It is an arithmetic number, because the mean of its divisors is an integer number (295488).

Almost surely, 2^8215130 is an apocalyptic number.

8215130 is an abundant number, since it is smaller than the sum of its proper divisors (10696102).

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

8215130 is a wasteful number, since it uses less digits than its factorization.

8215130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 8215130 is about 2866.2048077554. The cubic root of 8215130 is about 201.7769160919.

The spelling of 8215130 in words is "eight million, two hundred fifteen thousand, one hundred thirty".