8215235 has 8 divisors (see below), whose sum is σ = 11266656. Its totient is φ = 5633280.

The previous prime is 8215187. The next prime is 8215237. The reversal of 8215235 is 5325128.

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

It is not a de Polignac number, because 8215235 - 2⁶ = 8215171 is a prime.

It is a super-2 number, since 2×8215235² = 134980172210450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8215237) 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, 117326 + ... + 117395.

It is an arithmetic number, because the mean of its divisors is an integer number (1408332).

Almost surely, 2^8215235 is an apocalyptic number.

8215235 is a deficient number, since it is larger than the sum of its proper divisors (3051421).

8215235 is a wasteful number, since it uses less digits than its factorization.

8215235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234733.

The product of its digits is 2400, while the sum is 26.

The square root of 8215235 is about 2866.2231246014. The cubic root of 8215235 is about 201.7777757450. Note that the first 5 decimals are identical.

The spelling of 8215235 in words is "eight million, two hundred fifteen thousand, two hundred thirty-five".