2620834 has 4 divisors (see below), whose sum is σ = 3931254. Its totient is φ = 1310416.

The previous prime is 2620829. The next prime is 2620847. The reversal of 2620834 is 4380262.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4380262 = 2 ⋅2190131.

It can be written as a sum of positive squares in only one way, i.e., 1404225 + 1216609 = 1185^2 + 1103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2620799 and 2620808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655207 + ... + 655210.

2^2620834 is an apocalyptic number.

2620834 is a deficient number, since it is larger than the sum of its proper divisors (1310420).

2620834 is a wasteful number, since it uses less digits than its factorization.

2620834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310419.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2620834 is about 1618.8990085858. The cubic root of 2620834 is about 137.8731944456.

The spelling of 2620834 in words is "two million, six hundred twenty thousand, eight hundred thirty-four".