6397746 has 16 divisors (see below), whose sum is σ = 13548384. Its totient is φ = 2007104.

The previous prime is 6397733. The next prime is 6397751. The reversal of 6397746 is 6477936.

6397746 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁵ + 3¹⁴ + 9⁶ + 7⁴ + 7⁵ + 4¹⁰ + 6⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 6397698 and 6397707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31260 + ... + 31463.

It is an arithmetic number, because the mean of its divisors is an integer number (846774).

Almost surely, 2^6397746 is an apocalyptic number.

6397746 is an abundant number, since it is smaller than the sum of its proper divisors (7150638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6397746 is a wasteful number, since it uses less digits than its factorization.

6397746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62745.

The product of its digits is 190512, while the sum is 42.

The square root of 6397746 is about 2529.3766030388. The cubic root of 6397746 is about 185.6417546577.

It can be divided in two parts, 639 and 7746, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 6397746 in words is "six million, three hundred ninety-seven thousand, seven hundred forty-six".