2620006604 has 6 divisors (see below), whose sum is σ = 4585011564. Its totient is φ = 1310003300.

The previous prime is 2620006603. The next prime is 2620006619. The reversal of 2620006604 is 4066000262.

It is a super-2 number, since 2×2620006604² = 13728869210007225632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2620006603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327500822 + ... + 327500829.

It is an arithmetic number, because the mean of its divisors is an integer number (764168594).

Almost surely, 2^2620006604 is an apocalyptic number.

It is an amenable number.

2620006604 is a deficient number, since it is larger than the sum of its proper divisors (1965004960).

2620006604 is a wasteful number, since it uses less digits than its factorization.

2620006604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655001655 (or 655001653 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2620006604 is about 51186.0000781464. Note that the first 4 decimals coincide. The cubic root of 2620006604 is about 1378.5868408535.

Adding to 2620006604 its reverse (4066000262), we get a palindrome (6686006866).

The spelling of 2620006604 in words is "two billion, six hundred twenty million, six thousand, six hundred four".