3400003521 has 6 divisors (see below), whose sum is σ = 4911116210. Its totient is φ = 2266669008.

The previous prime is 3400003513. The next prime is 3400003531. The reversal of 3400003521 is 1253000043.

It can be written as a sum of positive squares in only one way, i.e., 2106810000 + 1293193521 = 45900^2 + 35961^2 .

It is not a de Polignac number, because 3400003521 - 2³ = 3400003513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3400003494 and 3400003503.

It is not an unprimeable number, because it can be changed into a prime (3400003531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188889076 + ... + 188889093.

Almost surely, 2^3400003521 is an apocalyptic number.

It is an amenable number.

3400003521 is a deficient number, since it is larger than the sum of its proper divisors (1511112689).

3400003521 is a wasteful number, since it uses less digits than its factorization.

3400003521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377778175 (or 377778172 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3400003521 is about 58309.5491407711. The cubic root of 3400003521 is about 1503.6951152743.

Adding to 3400003521 its reverse (1253000043), we get a palindrome (4653003564).

The spelling of 3400003521 in words is "three billion, four hundred million, three thousand, five hundred twenty-one".