3898120 has 16 divisors (see below), whose sum is σ = 8770860. Its totient is φ = 1559232.

The previous prime is 3898091. The next prime is 3898123. The reversal of 3898120 is 218983.

It can be written as a sum of positive squares in 2 ways, for example, as 3896676 + 1444 = 1974^2 + 38^2 .

It is not an unprimeable number, because it can be changed into a prime (3898123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48687 + ... + 48766.

Almost surely, 2^3898120 is an apocalyptic number.

It is an amenable number.

3898120 is an abundant number, since it is smaller than the sum of its proper divisors (4872740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3898120 is a wasteful number, since it uses less digits than its factorization.

3898120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97464 (or 97460 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 3898120 is about 1974.3657209342. The cubic root of 3898120 is about 157.3807949952.

The spelling of 3898120 in words is "three million, eight hundred ninety-eight thousand, one hundred twenty".