3870488138 has 32 divisors (see below), whose sum is σ = 6707888640. Its totient is φ = 1656462960.

The previous prime is 3870488137. The next prime is 3870488147. The reversal of 3870488138 is 8318840783.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3870488137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39731 + ... + 96537.

It is an arithmetic number, because the mean of its divisors is an integer number (209621520).

Almost surely, 2^3870488138 is an apocalyptic number.

3870488138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3870488138 is a deficient number, since it is larger than the sum of its proper divisors (2837400502).

3870488138 is a wasteful number, since it uses less digits than its factorization.

3870488138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57002.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 3870488138 is about 62213.2472870529. The cubic root of 3870488138 is about 1570.0804775710.

The spelling of 3870488138 in words is "three billion, eight hundred seventy million, four hundred eighty-eight thousand, one hundred thirty-eight".