6658942 has 8 divisors (see below), whose sum is σ = 10010232. Its totient is φ = 3322200.

The previous prime is 6658921. The next prime is 6658961. The reversal of 6658942 is 2498566.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6658895 and 6658904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409 + ... + 4372.

It is an arithmetic number, because the mean of its divisors is an integer number (1251279).

Almost surely, 2^6658942 is an apocalyptic number.

6658942 is a deficient number, since it is larger than the sum of its proper divisors (3351290).

6658942 is a wasteful number, since it uses less digits than its factorization.

6658942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274.

The product of its digits is 103680, while the sum is 40.

The square root of 6658942 is about 2580.4925886350. The cubic root of 6658942 is about 188.1344857856.

The spelling of 6658942 in words is "six million, six hundred fifty-eight thousand, nine hundred forty-two".