3898340 has 12 divisors (see below), whose sum is σ = 8186556. Its totient is φ = 1559328.

The previous prime is 3898319. The next prime is 3898351. The reversal of 3898340 is 438983.

It can be written as a sum of positive squares in 2 ways, for example, as 2477476 + 1420864 = 1574^2 + 1192^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3898340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97439 + ... + 97478.

It is an arithmetic number, because the mean of its divisors is an integer number (682213).

Almost surely, 2^3898340 is an apocalyptic number.

It is an amenable number.

3898340 is an abundant number, since it is smaller than the sum of its proper divisors (4288216).

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

3898340 is a wasteful number, since it uses less digits than its factorization.

3898340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194926 (or 194924 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 3898340 is about 1974.4214342435. The cubic root of 3898340 is about 157.3837556637.

The spelling of 3898340 in words is "three million, eight hundred ninety-eight thousand, three hundred forty".