3404765381 has 4 divisors (see below), whose sum is σ = 3422048652. Its totient is φ = 3387482112.

The previous prime is 3404765297. The next prime is 3404765407. The reversal of 3404765381 is 1835674043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1835674043 = 7 ⋅262239149.

It can be written as a sum of positive squares in 2 ways, for example, as 3146649025 + 258116356 = 56095^2 + 16066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3404765381 is a prime.

It is a super-2 number, since 2×3404765381² = 23184854599312150322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404767381) 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, 8641340 + ... + 8641733.

It is an arithmetic number, because the mean of its divisors is an integer number (855512163).

Almost surely, 2^3404765381 is an apocalyptic number.

It is an amenable number.

3404765381 is a deficient number, since it is larger than the sum of its proper divisors (17283271).

3404765381 is a wasteful number, since it uses less digits than its factorization.

3404765381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17283270.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 3404765381 is about 58350.3674452869. The cubic root of 3404765381 is about 1504.3967856657.

The spelling of 3404765381 in words is "three billion, four hundred four million, seven hundred sixty-five thousand, three hundred eighty-one".