2620234 has 4 divisors (see below), whose sum is σ = 3930354. Its totient is φ = 1310116.

The previous prime is 2620231. The next prime is 2620253. The reversal of 2620234 is 4320262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4320262 = 2 ⋅2160131.

It can be written as a sum of positive squares in only one way, i.e., 2569609 + 50625 = 1603^2 + 225^2 .

It is not an unprimeable number, because it can be changed into a prime (2620231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655057 + ... + 655060.

2^2620234 is an apocalyptic number.

2620234 is a deficient number, since it is larger than the sum of its proper divisors (1310120).

2620234 is a wasteful number, since it uses less digits than its factorization.

2620234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310119.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2620234 is about 1618.7136868514. The cubic root of 2620234 is about 137.8626723204.

Adding to 2620234 its reverse (4320262), we get a palindrome (6940496).

The spelling of 2620234 in words is "two million, six hundred twenty thousand, two hundred thirty-four".