6985577 has 4 divisors (see below), whose sum is σ = 7018896. Its totient is φ = 6952260.

The previous prime is 6985553. The next prime is 6985579. The reversal of 6985577 is 7755896.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6985577 - 2⁶ = 6985513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6985579) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16343 + ... + 16764.

It is an arithmetic number, because the mean of its divisors is an integer number (1754724).

Almost surely, 2^6985577 is an apocalyptic number.

It is an amenable number.

6985577 is a deficient number, since it is larger than the sum of its proper divisors (33319).

6985577 is a wasteful number, since it uses less digits than its factorization.

6985577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33318.

The product of its digits is 529200, while the sum is 47.

The square root of 6985577 is about 2643.0242147964. The cubic root of 6985577 is about 191.1616460040.

The spelling of 6985577 in words is "six million, nine hundred eighty-five thousand, five hundred seventy-seven".