6397238 has 4 divisors (see below), whose sum is σ = 9595860. Its totient is φ = 3198618.

The previous prime is 6397229. The next prime is 6397273. The reversal of 6397238 is 8327936.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 6³ + 3⁹ + 9⁷ + 7 + 2⁵ + 3¹³ + 8 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599308 + ... + 1599311.

It is an arithmetic number, because the mean of its divisors is an integer number (2398965).

Almost surely, 2^6397238 is an apocalyptic number.

6397238 is a deficient number, since it is larger than the sum of its proper divisors (3198622).

6397238 is a wasteful number, since it uses less digits than its factorization.

6397238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198621.

The product of its digits is 54432, while the sum is 38.

The square root of 6397238 is about 2529.2761810447. The cubic root of 6397238 is about 185.6368410257.

The spelling of 6397238 in words is "six million, three hundred ninety-seven thousand, two hundred thirty-eight".