3898065 has 16 divisors (see below), whose sum is σ = 6281856. Its totient is φ = 2064000.

The previous prime is 3898057. The next prime is 3898073. The reversal of 3898065 is 5608983.

It is an interprime number because it is at equal distance from previous prime (3898057) and next prime (3898073).

It is not a de Polignac number, because 3898065 - 2³ = 3898057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405 + ... + 3125.

It is an arithmetic number, because the mean of its divisors is an integer number (392616).

Almost surely, 2^3898065 is an apocalyptic number.

It is an amenable number.

3898065 is a deficient number, since it is larger than the sum of its proper divisors (2383791).

3898065 is a wasteful number, since it uses less digits than its factorization.

3898065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 3898065 is about 1974.3517923612. The cubic root of 3898065 is about 157.3800548106.

The spelling of 3898065 in words is "three million, eight hundred ninety-eight thousand, sixty-five".