2165038 has 16 divisors (see below), whose sum is σ = 3348864. Its totient is φ = 1049400.

The previous prime is 2165029. The next prime is 2165039. The reversal of 2165038 is 8305612.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165039) 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, 14263 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (209304).

2^2165038 is an apocalyptic number.

2165038 is the 787-th centered heptagonal number.

2165038 is a deficient number, since it is larger than the sum of its proper divisors (1183826).

2165038 is a wasteful number, since it uses less digits than its factorization.

2165038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2165038 is about 1471.4068098252. The cubic root of 2165038 is about 129.3665037556.

The spelling of 2165038 in words is "two million, one hundred sixty-five thousand, thirty-eight".