3898365 has 16 divisors (see below), whose sum is σ = 6265728. Its totient is φ = 2069696.

The previous prime is 3898361. The next prime is 3898369. The reversal of 3898365 is 5638983.

It is an interprime number because it is at equal distance from previous prime (3898361) and next prime (3898369).

It is a cyclic number.

It is not a de Polignac number, because 3898365 - 2² = 3898361 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 11.

It is a nialpdrome in base 13.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3952 + ... + 4838.

It is an arithmetic number, because the mean of its divisors is an integer number (391608).

Almost surely, 2^3898365 is an apocalyptic number.

It is an amenable number.

3898365 is a deficient number, since it is larger than the sum of its proper divisors (2367363).

3898365 is a wasteful number, since it uses less digits than its factorization.

3898365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188.

The product of its digits is 155520, while the sum is 42.

The square root of 3898365 is about 1974.4277652019. The cubic root of 3898365 is about 157.3840920963.

The spelling of 3898365 in words is "three million, eight hundred ninety-eight thousand, three hundred sixty-five".