3506426 has 16 divisors (see below), whose sum is σ = 6557760. Its totient is φ = 1366080.

The previous prime is 3506423. The next prime is 3506479. The reversal of 3506426 is 6246053.

3506426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3506395 and 3506404.

It is not an unprimeable number, because it can be changed into a prime (3506423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11231 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (409860).

Almost surely, 2^3506426 is an apocalyptic number.

3506426 is a deficient number, since it is larger than the sum of its proper divisors (3051334).

3506426 is a wasteful number, since it uses less digits than its factorization.

3506426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22789.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3506426 is about 1872.5453265542. The cubic root of 3506426 is about 151.9223114074.

It can be divided in two parts, 350 and 6426, that added together give a palindrome (6776).

The spelling of 3506426 in words is "three million, five hundred six thousand, four hundred twenty-six".