6665948 has 6 divisors (see below), whose sum is σ = 11665416. Its totient is φ = 3332972.

The previous prime is 6665947. The next prime is 6665951. The reversal of 6665948 is 8495666.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6665899 and 6665908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833240 + ... + 833247.

It is an arithmetic number, because the mean of its divisors is an integer number (1944236).

Almost surely, 2^6665948 is an apocalyptic number.

It is an amenable number.

6665948 is a deficient number, since it is larger than the sum of its proper divisors (4999468).

6665948 is a wasteful number, since it uses less digits than its factorization.

6665948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666491 (or 1666489 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 6665948 is about 2581.8497245192. The cubic root of 6665948 is about 188.2004426209.

The spelling of 6665948 in words is "six million, six hundred sixty-five thousand, nine hundred forty-eight".