3904329 has 32 divisors (see below), whose sum is σ = 6451200. Its totient is φ = 2064960.

The previous prime is 3904321. The next prime is 3904333. The reversal of 3904329 is 9234093.

It is not a de Polignac number, because 3904329 - 2³ = 3904321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3904296 and 3904305.

It is not an unprimeable number, because it can be changed into a prime (3904321) 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, 7912 + ... + 8390.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

Almost surely, 2^3904329 is an apocalyptic number.

3904329 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3904329 is a deficient number, since it is larger than the sum of its proper divisors (2546871).

3904329 is a wasteful number, since it uses less digits than its factorization.

3904329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 3904329 is about 1975.9374990115. The cubic root of 3904329 is about 157.4643103814.

The spelling of 3904329 in words is "three million, nine hundred four thousand, three hundred twenty-nine".