6601942 has 4 divisors (see below), whose sum is σ = 9902916. Its totient is φ = 3300970.

The previous prime is 6601927. The next prime is 6601961. The reversal of 6601942 is 2491066.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6601942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650484 + ... + 1650487.

It is an arithmetic number, because the mean of its divisors is an integer number (2475729).

Almost surely, 2^6601942 is an apocalyptic number.

6601942 is a deficient number, since it is larger than the sum of its proper divisors (3300974).

6601942 is a wasteful number, since it uses less digits than its factorization.

6601942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300973.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 6601942 is about 2569.4244491714. The cubic root of 6601942 is about 187.5961415094.

The spelling of 6601942 in words is "six million, six hundred one thousand, nine hundred forty-two".