3456646446 has 96 divisors (see below), whose sum is σ = 7774945920. Its totient is φ = 1023485760.

The previous prime is 3456646439. The next prime is 3456646451. The reversal of 3456646446 is 6446466543.

It is a junction number, because it is equal to n+sod(n) for n = 3456646395 and 3456646404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8706720 + ... + 8707116.

It is an arithmetic number, because the mean of its divisors is an integer number (80989020).

Almost surely, 2^3456646446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3456646446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3887472960).

3456646446 is an abundant number, since it is smaller than the sum of its proper divisors (4318299474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3456646446 is a wasteful number, since it uses less digits than its factorization.

3456646446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 659 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 48.

The square root of 3456646446 is about 58793.2517045962. The cubic root of 3456646446 is about 1511.9995214648. Note that the first 3 decimals are identical.

The spelling of 3456646446 in words is "three billion, four hundred fifty-six million, six hundred forty-six thousand, four hundred forty-six".