8270838 has 24 divisors (see below), whose sum is σ = 18018000. Its totient is φ = 2741904.

The previous prime is 8270819. The next prime is 8270839. The reversal of 8270838 is 8380728.

It is a super-2 number, since 2×8270838² = 136813522444488, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8270839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2428 + ... + 4736.

It is an arithmetic number, because the mean of its divisors is an integer number (750750).

Almost surely, 2^8270838 is an apocalyptic number.

8270838 is an abundant number, since it is smaller than the sum of its proper divisors (9747162).

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

8270838 is a wasteful number, since it uses less digits than its factorization.

8270838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 8270838 is about 2875.9064657947. The cubic root of 8270838 is about 202.2319819564.

The spelling of 8270838 in words is "eight million, two hundred seventy thousand, eight hundred thirty-eight".