2137698 has 32 divisors (see below), whose sum is σ = 4907520. Its totient is φ = 689040.

The previous prime is 2137697. The next prime is 2137717. The reversal of 2137698 is 8967312.

It is not an unprimeable number, because it can be changed into a prime (2137697) 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, 1036 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (153360).

2^2137698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2137698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2453760).

2137698 is an abundant number, since it is smaller than the sum of its proper divisors (2769822).

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

2137698 is a wasteful number, since it uses less digits than its factorization.

2137698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1313 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2137698 is about 1462.0868647245. The cubic root of 2137698 is about 128.8196506289.

The spelling of 2137698 in words is "two million, one hundred thirty-seven thousand, six hundred ninety-eight".