6904994 has 4 divisors (see below), whose sum is σ = 10357494. Its totient is φ = 3452496.

The previous prime is 6904993. The next prime is 6905011. The reversal of 6904994 is 4994096.

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., 6027025 + 877969 = 2455^2 + 937^2 .

It is not an unprimeable number, because it can be changed into a prime (6904993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726247 + ... + 1726250.

Almost surely, 2^6904994 is an apocalyptic number.

6904994 is a deficient number, since it is larger than the sum of its proper divisors (3452500).

6904994 is a wasteful number, since it uses less digits than its factorization.

6904994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452499.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 6904994 is about 2627.7355270270. The cubic root of 6904994 is about 190.4237449201.

The spelling of 6904994 in words is "six million, nine hundred four thousand, nine hundred ninety-four".