6398734 has 8 divisors (see below), whose sum is σ = 9929160. Its totient is φ = 3089016.

The previous prime is 6398731. The next prime is 6398737. The reversal of 6398734 is 4378936.

It is an interprime number because it is at equal distance from previous prime (6398731) and next prime (6398737).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 6⁷ + 3³ + 9 + 8⁵ + 7⁸ + 3¹⁰ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398731) 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, 55104 + ... + 55219.

It is an arithmetic number, because the mean of its divisors is an integer number (1241145).

Almost surely, 2^6398734 is an apocalyptic number.

6398734 is a deficient number, since it is larger than the sum of its proper divisors (3530426).

6398734 is a wasteful number, since it uses less digits than its factorization.

6398734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110354.

The product of its digits is 108864, while the sum is 40.

The square root of 6398734 is about 2529.5719005397. The cubic root of 6398734 is about 185.6513103467.

The spelling of 6398734 in words is "six million, three hundred ninety-eight thousand, seven hundred thirty-four".