3866920252 has 12 divisors (see below), whose sum is σ = 7287657496. Its totient is φ = 1784732400.

The previous prime is 3866920247. The next prime is 3866920273. The reversal of 3866920252 is 2520296683.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3866920199 and 3866920208.

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, 37181874 + ... + 37181977.

Almost surely, 2^3866920252 is an apocalyptic number.

It is an amenable number.

3866920252 is a deficient number, since it is larger than the sum of its proper divisors (3420737244).

3866920252 is a wasteful number, since it uses less digits than its factorization.

3866920252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74363868 (or 74363866 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 3866920252 is about 62184.5660272708. The cubic root of 3866920252 is about 1569.5978863889.

The spelling of 3866920252 in words is "three billion, eight hundred sixty-six million, nine hundred twenty thousand, two hundred fifty-two".