3806861772 has 48 divisors (see below), whose sum is σ = 10426008320. Its totient is φ = 1058277312.

The previous prime is 3806861759. The next prime is 3806861819. The reversal of 3806861772 is 2771686083.

It is a super-2 number, since 2×3806861772² = 28984393102229959968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609322 + ... + 615537.

Almost surely, 2^3806861772 is an apocalyptic number.

It is an amenable number.

3806861772 is an abundant number, since it is smaller than the sum of its proper divisors (6619146548).

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

3806861772 is a wasteful number, since it uses less digits than its factorization.

3806861772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224910 (or 1224908 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 3806861772 is about 61699.7712475500. The cubic root of 3806861772 is about 1561.4294606297.

The spelling of 3806861772 in words is "three billion, eight hundred six million, eight hundred sixty-one thousand, seven hundred seventy-two".