4015479 has 16 divisors (see below), whose sum is σ = 6070400. Its totient is φ = 2340576.

The previous prime is 4015471. The next prime is 4015483. The reversal of 4015479 is 9745104.

It is a happy number.

It is not a de Polignac number, because 4015479 - 2³ = 4015471 is a prime.

It is a super-2 number, since 2×4015479² = 32248143198882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015471) 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, 1969 + ... + 3450.

It is an arithmetic number, because the mean of its divisors is an integer number (379400).

Almost surely, 2^4015479 is an apocalyptic number.

4015479 is a deficient number, since it is larger than the sum of its proper divisors (2054921).

4015479 is a wasteful number, since it uses less digits than its factorization.

4015479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 4015479 is about 2003.8660134849. The cubic root of 4015479 is about 158.9446031453.

The spelling of 4015479 in words is "four million, fifteen thousand, four hundred seventy-nine".