3840468946 has 48 divisors (see below), whose sum is σ = 6379663896. Its totient is φ = 1726659072.

The previous prime is 3840468937. The next prime is 3840468971. The reversal of 3840468946 is 6498640483.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3728934225 + 111534721 = 61065^2 + 10561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3840468893 and 3840468902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4378660 + ... + 4379536.

Almost surely, 2^3840468946 is an apocalyptic number.

3840468946 is a deficient number, since it is larger than the sum of its proper divisors (2539194950).

3840468946 is a wasteful number, since it uses less digits than its factorization.

3840468946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The square root of 3840468946 is about 61971.5172155725. The cubic root of 3840468946 is about 1566.0107990645.

The spelling of 3840468946 in words is "three billion, eight hundred forty million, four hundred sixty-eight thousand, nine hundred forty-six".