2840626 has 8 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 1417908.

The previous prime is 2840549. The next prime is 2840627. The reversal of 2840626 is 6260482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2840594 and 2840603.

It is not an unprimeable number, because it can be changed into a prime (2840627) 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, 1395 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

2^2840626 is an apocalyptic number.

2840626 is a deficient number, since it is larger than the sum of its proper divisors (1427534).

2840626 is a wasteful number, since it uses less digits than its factorization.

2840626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2840626 is about 1685.4156757311. The cubic root of 2840626 is about 141.6243792278.

The spelling of 2840626 in words is "two million, eight hundred forty thousand, six hundred twenty-six".