4087445 has 8 divisors (see below), whose sum is σ = 5118336. Its totient is φ = 3127696.

The previous prime is 4087439. The next prime is 4087453. The reversal of 4087445 is 5447804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4087445 - 2⁸ = 4087189 is a prime.

It is a Duffinian number.

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, 17657 + ... + 17886.

It is an arithmetic number, because the mean of its divisors is an integer number (639792).

Almost surely, 2^4087445 is an apocalyptic number.

It is an amenable number.

4087445 is a deficient number, since it is larger than the sum of its proper divisors (1030891).

4087445 is a wasteful number, since it uses less digits than its factorization.

4087445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35571.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 4087445 is about 2021.7430598372. The cubic root of 4087445 is about 159.8885291279. Note that the first 3 decimals are identical.

The spelling of 4087445 in words is "four million, eighty-seven thousand, four hundred forty-five".