3946463240 has 16 divisors (see below), whose sum is σ = 8879542380. Its totient is φ = 1578585280.

The previous prime is 3946463239. The next prime is 3946463243. The reversal of 3946463240 is 423646493.

It can be written as a sum of positive squares in 2 ways, for example, as 3682790596 + 263672644 = 60686^2 + 16238^2 .

It is not an unprimeable number, because it can be changed into a prime (3946463243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49330751 + ... + 49330830.

Almost surely, 2^3946463240 is an apocalyptic number.

It is an amenable number.

3946463240 is an abundant number, since it is smaller than the sum of its proper divisors (4933079140).

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

3946463240 is a wasteful number, since it uses less digits than its factorization.

3946463240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98661592 (or 98661588 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 41.

The square root of 3946463240 is about 62820.8821969256. The cubic root of 3946463240 is about 1580.2871934280.

The spelling of 3946463240 in words is "three billion, nine hundred forty-six million, four hundred sixty-three thousand, two hundred forty".