8102538 has 32 divisors (see below), whose sum is σ = 18112320. Its totient is φ = 2684880.

The previous prime is 8102537. The next prime is 8102561. The reversal of 8102538 is 8352018.

It is a happy number.

It is a super-2 number, since 2×8102538² = 131302244082888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8102537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11928 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (566010).

Almost surely, 2^8102538 is an apocalyptic number.

8102538 is an abundant number, since it is smaller than the sum of its proper divisors (10009782).

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

8102538 is a wasteful number, since it uses less digits than its factorization.

8102538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 8102538 is about 2846.4957403797. The cubic root of 8102538 is about 200.8508584000.

The spelling of 8102538 in words is "eight million, one hundred two thousand, five hundred thirty-eight".