8502040 has 32 divisors (see below), whose sum is σ = 20256480. Its totient is φ = 3200512.

The previous prime is 8501993. The next prime is 8502041. The reversal of 8502040 is 402058.

It is a happy number.

8502040 is nontrivially palindromic in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 8501999 and 8502017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8502041) 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, 5572 + ... + 6931.

It is an arithmetic number, because the mean of its divisors is an integer number (633015).

Almost surely, 2^8502040 is an apocalyptic number.

It is an amenable number.

8502040 is an abundant number, since it is smaller than the sum of its proper divisors (11754440).

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

8502040 is a wasteful number, since it uses less digits than its factorization.

8502040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531 (or 12527 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 8502040 is about 2915.8257835474. The cubic root of 8502040 is about 204.0990804103.

Adding to 8502040 its reverse (402058), we get a palindrome (8904098).

The spelling of 8502040 in words is "eight million, five hundred two thousand, forty".