4165398 has 16 divisors (see below), whose sum is σ = 9256560. Its totient is φ = 1388448.

The previous prime is 4165397. The next prime is 4165411. The reversal of 4165398 is 8935614.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4165393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38515 + ... + 38622.

It is an arithmetic number, because the mean of its divisors is an integer number (578535).

Almost surely, 2^4165398 is an apocalyptic number.

4165398 is an abundant number, since it is smaller than the sum of its proper divisors (5091162).

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

4165398 is a wasteful number, since it uses less digits than its factorization.

4165398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77148 (or 77142 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4165398 is about 2040.9306700621. The cubic root of 4165398 is about 160.8985639871.

The spelling of 4165398 in words is "four million, one hundred sixty-five thousand, three hundred ninety-eight".