3904629433 has 4 divisors (see below), whose sum is σ = 3904810740. Its totient is φ = 3904448128.

The previous prime is 3904629413. The next prime is 3904629437. The reversal of 3904629433 is 3349264093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 763251129 + 3141378304 = 27627^2 + 56048^2 .

It is a cyclic number.

It is not a de Polignac number, because 3904629433 - 2⁹ = 3904628921 is a prime.

It is a super-2 number, since 2×3904629433² = 30492262018099802978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3904629433.

It is not an unprimeable number, because it can be changed into a prime (3904629437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53188 + ... + 103141.

It is an arithmetic number, because the mean of its divisors is an integer number (976202685).

Almost surely, 2^3904629433 is an apocalyptic number.

It is an amenable number.

3904629433 is a deficient number, since it is larger than the sum of its proper divisors (181307).

3904629433 is a wasteful number, since it uses less digits than its factorization.

3904629433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181306.

The product of its (nonzero) digits is 419904, while the sum is 43.

The square root of 3904629433 is about 62487.0341190875. The cubic root of 3904629433 is about 1574.6834916863.

The spelling of 3904629433 in words is "three billion, nine hundred four million, six hundred twenty-nine thousand, four hundred thirty-three".