6651038 has 4 divisors (see below), whose sum is σ = 9976560. Its totient is φ = 3325518.

The previous prime is 6650993. The next prime is 6651049. The reversal of 6651038 is 8301566.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6651038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662758 + ... + 1662761.

It is an arithmetic number, because the mean of its divisors is an integer number (2494140).

Almost surely, 2^6651038 is an apocalyptic number.

6651038 is a deficient number, since it is larger than the sum of its proper divisors (3325522).

6651038 is a wasteful number, since it uses less digits than its factorization.

6651038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325521.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6651038 is about 2578.9606433600. The cubic root of 6651038 is about 188.0600193156.

The spelling of 6651038 in words is "six million, six hundred fifty-one thousand, thirty-eight".