3506320426 has 16 divisors (see below), whose sum is σ = 6011875584. Its totient is φ = 1502448624.

The previous prime is 3506320423. The next prime is 3506320427. The reversal of 3506320426 is 6240236053.

It is a happy number.

3506320426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3506320423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77836 + ... + 114328.

It is an arithmetic number, because the mean of its divisors is an integer number (375742224).

Almost surely, 2^3506320426 is an apocalyptic number.

3506320426 is a deficient number, since it is larger than the sum of its proper divisors (2505555158).

3506320426 is a wasteful number, since it uses less digits than its factorization.

3506320426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43365.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 3506320426 is about 59214.1910862590. The cubic root of 3506320426 is about 1519.2078666335.

Adding to 3506320426 its reverse (6240236053), we get a palindrome (9746556479).

The spelling of 3506320426 in words is "three billion, five hundred six million, three hundred twenty thousand, four hundred twenty-six".