1646446296 has 64 divisors (see below), whose sum is σ = 4515523200. Its totient is φ = 496121600.

The previous prime is 1646446289. The next prime is 1646446309. The reversal of 1646446296 is 6926446461.

It is a super-2 number, since 2×1646446296² = 5421570811224239232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29836 + ... + 64676.

It is an arithmetic number, because the mean of its divisors is an integer number (70555050).

Almost surely, 2^1646446296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1646446296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257761600).

1646446296 is an abundant number, since it is smaller than the sum of its proper divisors (2869076904).

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

1646446296 is a wasteful number, since it uses less digits than its factorization.

1646446296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35040 (or 35036 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 1646446296 is about 40576.4253723760. The cubic root of 1646446296 is about 1180.8167992208.

The spelling of 1646446296 in words is "one billion, six hundred forty-six million, four hundred forty-six thousand, two hundred ninety-six".