3898538 has 16 divisors (see below), whose sum is σ = 6820800. Its totient is φ = 1670508.

The previous prime is 3898537. The next prime is 3898541. The reversal of 3898538 is 8358983.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3898537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (426300).

Almost surely, 2^3898538 is an apocalyptic number.

3898538 is a deficient number, since it is larger than the sum of its proper divisors (2922262).

3898538 is an equidigital number, since it uses as much as digits as its factorization.

3898538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706 (or 5692 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 3898538 is about 1974.4715748777. The cubic root of 3898538 is about 157.3864201701.

The spelling of 3898538 in words is "three million, eight hundred ninety-eight thousand, five hundred thirty-eight".