4287405 has 8 divisors (see below), whose sum is σ = 6859872. Its totient is φ = 2286608.

The previous prime is 4287403. The next prime is 4287419. The reversal of 4287405 is 5047824.

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 4287405 - 2¹ = 4287403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287403) 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, 142899 + ... + 142928.

It is an arithmetic number, because the mean of its divisors is an integer number (857484).

Almost surely, 2^4287405 is an apocalyptic number.

It is an amenable number.

4287405 is a deficient number, since it is larger than the sum of its proper divisors (2572467).

4287405 is a wasteful number, since it uses less digits than its factorization.

4287405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285835.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4287405 is about 2070.6049840566. The cubic root of 4287405 is about 162.4544093011.

The spelling of 4287405 in words is "four million, two hundred eighty-seven thousand, four hundred five".