4280215 has 4 divisors (see below), whose sum is σ = 5136264. Its totient is φ = 3424168.

The previous prime is 4280203. The next prime is 4280249. The reversal of 4280215 is 5120824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4280215 - 2⁵ = 4280183 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 3 ways as a sum of consecutive naturals, for example, 428017 + ... + 428026.

It is an arithmetic number, because the mean of its divisors is an integer number (1284066).

Almost surely, 2^4280215 is an apocalyptic number.

4280215 is a deficient number, since it is larger than the sum of its proper divisors (856049).

4280215 is an equidigital number, since it uses as much as digits as its factorization.

4280215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856048.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4280215 is about 2068.8680479915. The cubic root of 4280215 is about 162.3635461992.

The spelling of 4280215 in words is "four million, two hundred eighty thousand, two hundred fifteen".