2134493 has 4 divisors (see below), whose sum is σ = 2192220. Its totient is φ = 2076768.

The previous prime is 2134471. The next prime is 2134507. The reversal of 2134493 is 3944312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 996004 = 1067^2 + 998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134493 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28808 + ... + 28881.

It is an arithmetic number, because the mean of its divisors is an integer number (548055).

2^2134493 is an apocalyptic number.

It is an amenable number.

2134493 is a deficient number, since it is larger than the sum of its proper divisors (57727).

2134493 is an equidigital number, since it uses as much as digits as its factorization.

2134493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57726.

The product of its digits is 2592, while the sum is 26.

The square root of 2134493 is about 1460.9904174908. The cubic root of 2134493 is about 128.7552396774.

The spelling of 2134493 in words is "two million, one hundred thirty-four thousand, four hundred ninety-three".