6894949 has 2 divisors, whose sum is σ = 6894950. Its totient is φ = 6894948.

The previous prime is 6894887. The next prime is 6894959. The reversal of 6894949 is 9494986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5673924 + 1221025 = 2382^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 6894949 - 2⁷ = 6894821 is a prime.

It is a d-powerful number, because it can be written as 6 + 8³ + 9⁶ + 4 + 9⁶ + 4¹⁰ + 9⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6894959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447474 + 3447475.

It is an arithmetic number, because the mean of its divisors is an integer number (3447475).

Almost surely, 2^6894949 is an apocalyptic number.

It is an amenable number.

6894949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6894949 is an equidigital number, since it uses as much as digits as its factorization.

6894949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 6894949 is about 2625.8234898789. The cubic root of 6894949 is about 190.3313608275.

The spelling of 6894949 in words is "six million, eight hundred ninety-four thousand, nine hundred forty-nine".