4056015 has 16 divisors (see below), whose sum is σ = 6517728. Its totient is φ = 2153856.

The previous prime is 4055993. The next prime is 4056023. The reversal of 4056015 is 5106504.

It is a happy number.

It is not a de Polignac number, because 4056015 - 2⁵ = 4055983 is a prime.

4056015 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4055982 and 4056000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4329 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (407358).

Almost surely, 2^4056015 is an apocalyptic number.

4056015 is a deficient number, since it is larger than the sum of its proper divisors (2461713).

4056015 is a wasteful number, since it uses less digits than its factorization.

4056015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 4056015 is about 2013.9550640469. The cubic root of 4056015 is about 159.4776585814.

It can be divided in two parts, 40560 and 15, that multiplied together give a square (608400 = 780²).

The spelling of 4056015 in words is "four million, fifty-six thousand, fifteen".