2130938 has 4 divisors (see below), whose sum is σ = 3196410. Its totient is φ = 1065468.

The previous prime is 2130937. The next prime is 2130959. The reversal of 2130938 is 8390312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1495729 + 635209 = 1223^2 + 797^2 .

It is not an unprimeable number, because it can be changed into a prime (2130937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532733 + ... + 532736.

2^2130938 is an apocalyptic number.

2130938 is a deficient number, since it is larger than the sum of its proper divisors (1065472).

2130938 is a wasteful number, since it uses less digits than its factorization.

2130938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065471.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2130938 is about 1459.7732700663. The cubic root of 2130938 is about 128.6837193014.

The spelling of 2130938 in words is "two million, one hundred thirty thousand, nine hundred thirty-eight".