6958397 has 16 divisors (see below), whose sum is σ = 7644672. Its totient is φ = 6314880.

The previous prime is 6958379. The next prime is 6958409. The reversal of 6958397 is 7938596.

It is not a de Polignac number, because 6958397 - 2¹⁰ = 6957373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a d-powerful number, because it can be written as 6² + 9² + 5⁷ + 8⁷ + 3³ + 9⁷ + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6958337) 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 15 ways as a sum of consecutive naturals, for example, 44243 + ... + 44399.

It is an arithmetic number, because the mean of its divisors is an integer number (477792).

Almost surely, 2^6958397 is an apocalyptic number.

It is an amenable number.

6958397 is a deficient number, since it is larger than the sum of its proper divisors (686275).

6958397 is a wasteful number, since it uses less digits than its factorization.

6958397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its digits is 408240, while the sum is 47.

The square root of 6958397 is about 2637.8773663686. The cubic root of 6958397 is about 190.9133951273.

Adding to 6958397 its product of digits (408240), we get a palindrome (7366637).

The spelling of 6958397 in words is "six million, nine hundred fifty-eight thousand, three hundred ninety-seven".