6297989 has 4 divisors (see below), whose sum is σ = 6313440. Its totient is φ = 6282540.

The previous prime is 6297983. The next prime is 6297997. The reversal of 6297989 is 9897926.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9897926 = 2 ⋅4948963.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6297989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6297983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7097 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (1578360).

Almost surely, 2^6297989 is an apocalyptic number.

It is an amenable number.

6297989 is a deficient number, since it is larger than the sum of its proper divisors (15451).

6297989 is a wasteful number, since it uses less digits than its factorization.

6297989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15450.

The product of its digits is 489888, while the sum is 50.

The square root of 6297989 is about 2509.5794468396. The cubic root of 6297989 is about 184.6718213896.

The spelling of 6297989 in words is "six million, two hundred ninety-seven thousand, nine hundred eighty-nine".