1866886952 has 48 divisors (see below), whose sum is σ = 4222150560. Its totient is φ = 757975968.

The previous prime is 1866886949. The next prime is 1866886963. The reversal of 1866886952 is 2596886681.

It is a junction number, because it is equal to n+sod(n) for n = 1866886891 and 1866886900.

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 11 ways as a sum of consecutive naturals, for example, 25958 + ... + 66389.

It is an arithmetic number, because the mean of its divisors is an integer number (87961470).

Almost surely, 2^1866886952 is an apocalyptic number.

It is an amenable number.

1866886952 is an abundant number, since it is smaller than the sum of its proper divisors (2355263608).

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

1866886952 is a wasteful number, since it uses less digits than its factorization.

1866886952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92398 (or 92375 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 59.

The square root of 1866886952 is about 43207.4872215453. The cubic root of 1866886952 is about 1231.3249327067.

The spelling of 1866886952 in words is "one billion, eight hundred sixty-six million, eight hundred eighty-six thousand, nine hundred fifty-two".