6999942 has 16 divisors (see below), whose sum is σ = 14736960. Its totient is φ = 2210472.

The previous prime is 6999929. The next prime is 6999973. The reversal of 6999942 is 2499996.

It is a junction number, because it is equal to n+sod(n) for n = 6999891 and 6999900.

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 in 7 ways as a sum of consecutive naturals, for example, 30588 + ... + 30815.

It is an arithmetic number, because the mean of its divisors is an integer number (921060).

Almost surely, 2^6999942 is an apocalyptic number.

6999942 is an abundant number, since it is smaller than the sum of its proper divisors (7737018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6999942 is a wasteful number, since it uses less digits than its factorization.

6999942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61427.

The product of its digits is 314928, while the sum is 48.

The square root of 6999942 is about 2645.7403500722. The cubic root of 6999942 is about 191.2925899424.

It can be divided in two parts, 699994 and 2, that added together give a palindrome (699996).

The spelling of 6999942 in words is "six million, nine hundred ninety-nine thousand, nine hundred forty-two".