6994646 has 4 divisors (see below), whose sum is σ = 10491972. Its totient is φ = 3497322.

The previous prime is 6994621. The next prime is 6994649. The reversal of 6994646 is 6464996.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 6994597 and 6994606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6994649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1748660 + ... + 1748663.

It is an arithmetic number, because the mean of its divisors is an integer number (2622993).

Almost surely, 2^6994646 is an apocalyptic number.

6994646 is a deficient number, since it is larger than the sum of its proper divisors (3497326).

6994646 is a wasteful number, since it uses less digits than its factorization.

6994646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497325.

The product of its digits is 279936, while the sum is 44.

The square root of 6994646 is about 2644.7393066236. The cubic root of 6994646 is about 191.2443352018.

The spelling of 6994646 in words is "six million, nine hundred ninety-four thousand, six hundred forty-six".