6620048 has 10 divisors (see below), whose sum is σ = 12826374. Its totient is φ = 3310016.

The previous prime is 6620039. The next prime is 6620057. The reversal of 6620048 is 8400266.

It is an interprime number because it is at equal distance from previous prime (6620039) and next prime (6620057).

It can be written as a sum of positive squares in only one way, i.e., 3564544 + 3055504 = 1888^2 + 1748^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6619999 and 6620026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206861 + ... + 206892.

Almost surely, 2^6620048 is an apocalyptic number.

It is an amenable number.

6620048 is a deficient number, since it is larger than the sum of its proper divisors (6206326).

6620048 is a wasteful number, since it uses less digits than its factorization.

6620048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413761 (or 413755 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6620048 is about 2572.9453939017. The cubic root of 6620048 is about 187.7674807586.

The spelling of 6620048 in words is "six million, six hundred twenty thousand, forty-eight".