4023929 has 12 divisors (see below), whose sum is σ = 5041764. Its totient is φ = 3183264.

The previous prime is 4023913. The next prime is 4023937. The reversal of 4023929 is 9293204.

It can be written as a sum of positive squares in 2 ways, for example, as 1317904 + 2706025 = 1148^2 + 1645^2 .

It is not a de Polignac number, because 4023929 - 2⁴ = 4023913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2522 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (420147).

Almost surely, 2^4023929 is an apocalyptic number.

4023929 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4023929 is a deficient number, since it is larger than the sum of its proper divisors (1017835).

4023929 is a wasteful number, since it uses less digits than its factorization.

4023929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344 (or 6337 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4023929 is about 2005.9733298327. The cubic root of 4023929 is about 159.0560170753.

The spelling of 4023929 in words is "four million, twenty-three thousand, nine hundred twenty-nine".