3858047772 has 12 divisors (see below), whose sum is σ = 9002111496. Its totient is φ = 1286015920.

The previous prime is 3858047759. The next prime is 3858047873. The reversal of 3858047772 is 2777408583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3858047772² = 29769065222068327968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160751979 + ... + 160752002.

It is an arithmetic number, because the mean of its divisors is an integer number (750175958).

Almost surely, 2^3858047772 is an apocalyptic number.

It is an amenable number.

3858047772 is an abundant number, since it is smaller than the sum of its proper divisors (5144063724).

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

3858047772 is a wasteful number, since it uses less digits than its factorization.

3858047772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321503988 (or 321503986 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The square root of 3858047772 is about 62113.1851703002. The cubic root of 3858047772 is about 1568.3965091012.

The spelling of 3858047772 in words is "three billion, eight hundred fifty-eight million, forty-seven thousand, seven hundred seventy-two".