6997946 has 4 divisors (see below), whose sum is σ = 10496922. Its totient is φ = 3498972.

The previous prime is 6997937. The next prime is 6997967. The reversal of 6997946 is 6497996.

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

It can be written as a sum of positive squares in only one way, i.e., 6817321 + 180625 = 2611^2 + 425^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6997894 and 6997903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749485 + ... + 1749488.

Almost surely, 2^6997946 is an apocalyptic number.

6997946 is a deficient number, since it is larger than the sum of its proper divisors (3498976).

6997946 is a wasteful number, since it uses less digits than its factorization.

6997946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498975.

The product of its digits is 734832, while the sum is 50.

The square root of 6997946 is about 2645.3631130716. The cubic root of 6997946 is about 191.2744061581.

Adding to 6997946 its sum of digits (50), we get a palindrome (6997996).

The spelling of 6997946 in words is "six million, nine hundred ninety-seven thousand, nine hundred forty-six".