4215835 has 16 divisors (see below), whose sum is σ = 5523840. Its totient is φ = 3070080.

The previous prime is 4215833. The next prime is 4215839. The reversal of 4215835 is 5385124.

It is not a de Polignac number, because 4215835 - 2¹ = 4215833 is a prime.

4215835 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4215833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4725 + ... + 5545.

It is an arithmetic number, because the mean of its divisors is an integer number (345240).

Almost surely, 2^4215835 is an apocalyptic number.

4215835 is the 1027-th decagonal number.

4215835 is a deficient number, since it is larger than the sum of its proper divisors (1308005).

4215835 is a wasteful number, since it uses less digits than its factorization.

4215835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

The product of its digits is 4800, while the sum is 28.

The square root of 4215835 is about 2053.2498630220. The cubic root of 4215835 is about 161.5453773131.

It can be divided in two parts, 4215 and 835, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4215835 in words is "four million, two hundred fifteen thousand, eight hundred thirty-five".