6890942 has 4 divisors (see below), whose sum is σ = 10336416. Its totient is φ = 3445470.

The previous prime is 6890861. The next prime is 6890957. The reversal of 6890942 is 2490986.

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

It is a d-powerful number, because it can be written as 6² + 8⁷ + 9⁴ + 0 + 9⁷ + 4⁶ + 2⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 6890896 and 6890905.

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, 1722734 + ... + 1722737.

It is an arithmetic number, because the mean of its divisors is an integer number (2584104).

Almost surely, 2^6890942 is an apocalyptic number.

6890942 is a deficient number, since it is larger than the sum of its proper divisors (3445474).

6890942 is a wasteful number, since it uses less digits than its factorization.

6890942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445473.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 6890942 is about 2625.0603802579. The cubic root of 6890942 is about 190.2944833224.

The spelling of 6890942 in words is "six million, eight hundred ninety thousand, nine hundred forty-two".