4087432 has 16 divisors (see below), whose sum is σ = 8067600. Its totient is φ = 1936080.

The previous prime is 4087423. The next prime is 4087439. The reversal of 4087432 is 2347804.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4087432.

It is not an unprimeable number, because it can be changed into a prime (4087439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13294 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (504225).

Almost surely, 2^4087432 is an apocalyptic number.

It is an amenable number.

4087432 is a deficient number, since it is larger than the sum of its proper divisors (3980168).

4087432 is a wasteful number, since it uses less digits than its factorization.

4087432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26916 (or 26912 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4087432 is about 2021.7398447872. The cubic root of 4087432 is about 159.8883596208. Note that the first 3 decimals are identical.

The spelling of 4087432 in words is "four million, eighty-seven thousand, four hundred thirty-two".