3881047402 has 16 divisors (see below), whose sum is σ = 6205393800. Its totient is φ = 1814115328.

The previous prime is 3881047399. The next prime is 3881047411. The reversal of 3881047402 is 2047401883.

3881047402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1808885961 + 2072161441 = 42531^2 + 45521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377983 + ... + 388114.

Almost surely, 2^3881047402 is an apocalyptic number.

3881047402 is a deficient number, since it is larger than the sum of its proper divisors (2324346398).

3881047402 is a wasteful number, since it uses less digits than its factorization.

3881047402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766265.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 3881047402 is about 62298.0529551285. The cubic root of 3881047402 is about 1571.5069850230.

The spelling of 3881047402 in words is "three billion, eight hundred eighty-one million, forty-seven thousand, four hundred two".