3898850 has 12 divisors (see below), whose sum is σ = 7251954. Its totient is φ = 1559520.

The previous prime is 3898841. The next prime is 3898871. The reversal of 3898850 is 588983.

It can be written as a sum of positive squares in 3 ways, for example, as 3087049 + 811801 = 1757^2 + 901^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3898798 and 3898807.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38939 + ... + 39038.

Almost surely, 2^3898850 is an apocalyptic number.

3898850 is a deficient number, since it is larger than the sum of its proper divisors (3353104).

3898850 is a wasteful number, since it uses less digits than its factorization.

3898850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77989 (or 77984 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 3898850 is about 1974.5505817780. The cubic root of 3898850 is about 157.3906186033.

The spelling of 3898850 in words is "three million, eight hundred ninety-eight thousand, eight hundred fifty".