3646406326 has 8 divisors (see below), whose sum is σ = 5504448240. Its totient is φ = 1811590248.

The previous prime is 3646406317. The next prime is 3646406363. The reversal of 3646406326 is 6236046463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5806066 + ... + 5806693.

It is an arithmetic number, because the mean of its divisors is an integer number (688056030).

Almost surely, 2^3646406326 is an apocalyptic number.

3646406326 is a deficient number, since it is larger than the sum of its proper divisors (1858041914).

3646406326 is a wasteful number, since it uses less digits than its factorization.

3646406326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11612918.

The product of its (nonzero) digits is 373248, while the sum is 40.

The square root of 3646406326 is about 60385.4810861021. The cubic root of 3646406326 is about 1539.1762511387.

The spelling of 3646406326 in words is "three billion, six hundred forty-six million, four hundred six thousand, three hundred twenty-six".