8432540 has 24 divisors (see below), whose sum is σ = 17781120. Its totient is φ = 3359168.

The previous prime is 8432537. The next prime is 8432573. The reversal of 8432540 is 452348.

8432540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8432540² = 142215461703200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5141 + ... + 6579.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 2^8432540 is an apocalyptic number.

It is an amenable number.

8432540 is an abundant number, since it is smaller than the sum of its proper divisors (9348580).

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

8432540 is a wasteful number, since it uses less digits than its factorization.

8432540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1739 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 8432540 is about 2903.8836064829. The cubic root of 8432540 is about 203.5414215397.

Adding to 8432540 its reverse (452348), we get a palindrome (8884888).

The spelling of 8432540 in words is "eight million, four hundred thirty-two thousand, five hundred forty".