3900387850 has 24 divisors (see below), whose sum is σ = 7259719500. Its totient is φ = 1559080320.

The previous prime is 3900387847. The next prime is 3900387899. The reversal of 3900387850 is 587830093.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 901620729 + 2998767121 = 30027^2 + 54761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3900387797 and 3900387806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48526 + ... + 100774.

Almost surely, 2^3900387850 is an apocalyptic number.

3900387850 is a deficient number, since it is larger than the sum of its proper divisors (3359331650).

3900387850 is a wasteful number, since it uses less digits than its factorization.

3900387850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53754 (or 53749 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 3900387850 is about 62453.0851920063. The cubic root of 3900387850 is about 1574.1130943485.

The spelling of 3900387850 in words is "three billion, nine hundred million, three hundred eighty-seven thousand, eight hundred fifty".