2621026 has 16 divisors (see below), whose sum is σ = 4202496. Its totient is φ = 1221696.

The previous prime is 2621023. The next prime is 2621027. The reversal of 2621026 is 6201262.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2620994 and 2621012.

It is not an unprimeable number, because it can be changed into a prime (2621023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (262656).

2^2621026 is an apocalyptic number.

2621026 is a deficient number, since it is larger than the sum of its proper divisors (1581470).

2621026 is a wasteful number, since it uses less digits than its factorization.

2621026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2621026 is about 1618.9583070604. The cubic root of 2621026 is about 137.8765611865.

Adding to 2621026 its reverse (6201262), we get a palindrome (8822288).

The spelling of 2621026 in words is "two million, six hundred twenty-one thousand, twenty-six".