3904433 has 8 divisors (see below), whose sum is σ = 4233768. Its totient is φ = 3579264.

The previous prime is 3904409. The next prime is 3904447. The reversal of 3904433 is 3344093.

It can be written as a sum of positive squares in 4 ways, for example, as 339889 + 3564544 = 583^2 + 1888^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3904433 - 2¹⁶ = 3838897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (529221).

Almost surely, 2^3904433 is an apocalyptic number.

It is an amenable number.

3904433 is a deficient number, since it is larger than the sum of its proper divisors (329335).

3904433 is a wasteful number, since it uses less digits than its factorization.

3904433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 3904433 is about 1975.9638154582. The cubic root of 3904433 is about 157.4657084999.

It can be divided in two parts, 390 and 4433, that multiplied together give a triangular number (1728870 = T₁₈₅₉).

The spelling of 3904433 in words is "three million, nine hundred four thousand, four hundred thirty-three".