3404145321 has 24 divisors (see below), whose sum is σ = 5092046856. Its totient is φ = 2190090240.

The previous prime is 3404145307. The next prime is 3404145377. The reversal of 3404145321 is 1235414043.

It is a happy number.

3404145321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 317231721 + 3086913600 = 17811^2 + 55560^2 .

It is not a de Polignac number, because 3404145321 - 2²² = 3399951017 is a prime.

It is a super-3 number, since 3×3404145321³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3404143321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29400 + ... + 87593.

It is an arithmetic number, because the mean of its divisors is an integer number (212168619).

Almost surely, 2^3404145321 is an apocalyptic number.

It is an amenable number.

3404145321 is a deficient number, since it is larger than the sum of its proper divisors (1687901535).

3404145321 is a wasteful number, since it uses less digits than its factorization.

3404145321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117113 (or 117110 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3404145321 is about 58345.0539548984. The cubic root of 3404145321 is about 1504.3054555447.

Adding to 3404145321 its reverse (1235414043), we get a palindrome (4639559364).

The spelling of 3404145321 in words is "three billion, four hundred four million, one hundred forty-five thousand, three hundred twenty-one".