3904029 has 6 divisors (see below), whose sum is σ = 5639166. Its totient is φ = 2602680.

The previous prime is 3904003. The next prime is 3904031. The reversal of 3904029 is 9204093.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 1375929 = 1590^2 + 1173^2 .

It is not a de Polignac number, because 3904029 - 2⁷ = 3903901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3903993 and 3904011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216882 + ... + 216899.

It is an arithmetic number, because the mean of its divisors is an integer number (939861).

Almost surely, 2^3904029 is an apocalyptic number.

It is an amenable number.

3904029 is a deficient number, since it is larger than the sum of its proper divisors (1735137).

3904029 is a wasteful number, since it uses less digits than its factorization.

3904029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433787 (or 433784 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3904029 is about 1975.8615842209. The cubic root of 3904029 is about 157.4602772084.

The spelling of 3904029 in words is "three million, nine hundred four thousand, twenty-nine".