2137398 has 16 divisors (see below), whose sum is σ = 4303920. Its totient is φ = 707616.

The previous prime is 2137397. The next prime is 2137409. The reversal of 2137398 is 8937312.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137391) 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, 193 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (268995).

2^2137398 is an apocalyptic number.

2137398 is an abundant number, since it is smaller than the sum of its proper divisors (2166522).

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

2137398 is a wasteful number, since it uses less digits than its factorization.

2137398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its digits is 9072, while the sum is 33.

The square root of 2137398 is about 1461.9842680412. The cubic root of 2137398 is about 128.8136242548.

The spelling of 2137398 in words is "two million, one hundred thirty-seven thousand, three hundred ninety-eight".