3404331261 has 20 divisors (see below), whose sum is σ = 5222932572. Its totient is φ = 2208212928.

The previous prime is 3404331253. The next prime is 3404331313. The reversal of 3404331261 is 1621334043.

3404331261 is a `hidden beast` number, since 340 + 4 + 3 + 312 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2086205625 + 1318125636 = 45675^2 + 36306^2 .

It is not a de Polignac number, because 3404331261 - 2³ = 3404331253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404331241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 564960 + ... + 570953.

Almost surely, 2^3404331261 is an apocalyptic number.

It is an amenable number.

3404331261 is a deficient number, since it is larger than the sum of its proper divisors (1818601311).

3404331261 is a wasteful number, since it uses less digits than its factorization.

3404331261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135962 (or 1135953 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3404331261 is about 58346.6473844042. The cubic root of 3404331261 is about 1504.3328442563.

The spelling of 3404331261 in words is "three billion, four hundred four million, three hundred thirty-one thousand, two hundred sixty-one".