2138097 has 16 divisors (see below), whose sum is σ = 3116288. Its totient is φ = 1296000.

The previous prime is 2138093. The next prime is 2138137. The reversal of 2138097 is 7908312.

It is a happy number.

It is not a de Polignac number, because 2138097 - 2² = 2138093 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2138093) 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, 2472 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (194768).

2^2138097 is an apocalyptic number.

It is an amenable number.

2138097 is a deficient number, since it is larger than the sum of its proper divisors (978191).

2138097 is a wasteful number, since it uses less digits than its factorization.

2138097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2138097 is about 1462.2233071593. The cubic root of 2138097 is about 128.8276648328.

The spelling of 2138097 in words is "two million, one hundred thirty-eight thousand, ninety-seven".