6228738 has 20 divisors (see below), whose sum is σ = 13957350. Its totient is φ = 2076192.

The previous prime is 6228731. The next prime is 6228743. The reversal of 6228738 is 8378226.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6215049 + 13689 = 2493^2 + 117^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 6 + 2¹³ + 2¹⁴ + 8² + 7⁸ + 3¹¹ + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228731) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19063 + ... + 19386.

Almost surely, 2^6228738 is an apocalyptic number.

6228738 is an abundant number, since it is smaller than the sum of its proper divisors (7728612).

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

6228738 is a wasteful number, since it uses less digits than its factorization.

6228738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38463 (or 38454 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 6228738 is about 2495.7439772541. The cubic root of 6228738 is about 183.9924579454.

The spelling of 6228738 in words is "six million, two hundred twenty-eight thousand, seven hundred thirty-eight".