3898550 has 24 divisors (see below), whose sum is σ = 7331376. Its totient is φ = 1542240.

The previous prime is 3898549. The next prime is 3898561. The reversal of 3898550 is 558983.

It is a congruent number.

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, 4772 + ... + 5528.

It is an arithmetic number, because the mean of its divisors is an integer number (305474).

Almost surely, 2^3898550 is an apocalyptic number.

3898550 is a deficient number, since it is larger than the sum of its proper divisors (3432826).

3898550 is a wasteful number, since it uses less digits than its factorization.

3898550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 3898550 is about 1974.4746136631. The cubic root of 3898550 is about 157.3865816525.

The spelling of 3898550 in words is "three million, eight hundred ninety-eight thousand, five hundred fifty".