3818845506 has 32 divisors (see below), whose sum is σ = 8756886528. Its totient is φ = 1087586640.

The previous prime is 3818845501. The next prime is 3818845519. The reversal of 3818845506 is 6055488183.

It is not an unprimeable number, because it can be changed into a prime (3818845501) 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, 133120 + ... + 159243.

It is an arithmetic number, because the mean of its divisors is an integer number (273652704).

Almost surely, 2^3818845506 is an apocalyptic number.

3818845506 is an abundant number, since it is smaller than the sum of its proper divisors (4938041022).

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

3818845506 is a wasteful number, since it uses less digits than its factorization.

3818845506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292686.

The product of its (nonzero) digits is 921600, while the sum is 48.

The square root of 3818845506 is about 61796.8082185480. The cubic root of 3818845506 is about 1563.0661679116.

The spelling of 3818845506 in words is "three billion, eight hundred eighteen million, eight hundred forty-five thousand, five hundred six".