3898089 has 12 divisors (see below), whose sum is σ = 6063876. Its totient is φ = 2398752.

The previous prime is 3898087. The next prime is 3898091. The reversal of 3898089 is 9808983.

It is an interprime number because it is at equal distance from previous prime (3898087) and next prime (3898091).

It can be written as a sum of positive squares in 2 ways, for example, as 870489 + 3027600 = 933^2 + 1740^2 .

It is not a de Polignac number, because 3898089 - 2¹ = 3898087 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3898087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16542 + ... + 16775.

It is an arithmetic number, because the mean of its divisors is an integer number (505323).

Almost surely, 2^3898089 is an apocalyptic number.

3898089 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3898089 is a deficient number, since it is larger than the sum of its proper divisors (2165787).

3898089 is a wasteful number, since it uses less digits than its factorization.

3898089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33336 (or 33333 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 3898089 is about 1974.3578702961. The cubic root of 3898089 is about 157.3803778011.

The spelling of 3898089 in words is "three million, eight hundred ninety-eight thousand, eighty-nine".