4023915 has 32 divisors (see below), whose sum is σ = 7749120. Its totient is φ = 1741824.

The previous prime is 4023913. The next prime is 4023937. The reversal of 4023915 is 5193204.

It is not a de Polignac number, because 4023915 - 2¹ = 4023913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4023913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 987 + ... + 3003.

It is an arithmetic number, because the mean of its divisors is an integer number (242160).

Almost surely, 2^4023915 is an apocalyptic number.

4023915 is a deficient number, since it is larger than the sum of its proper divisors (3725205).

4023915 is a wasteful number, since it uses less digits than its factorization.

4023915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 4023915 is about 2005.9698402518. The cubic root of 4023915 is about 159.0558326132.

The spelling of 4023915 in words is "four million, twenty-three thousand, nine hundred fifteen".