6238645 has 8 divisors (see below), whose sum is σ = 8555904. Its totient is φ = 4277904.

The previous prime is 6238597. The next prime is 6238649. The reversal of 6238645 is 5468326.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6238645 - 2²¹ = 4141493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6238645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6238649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89089 + ... + 89158.

It is an arithmetic number, because the mean of its divisors is an integer number (1069488).

Almost surely, 2^6238645 is an apocalyptic number.

It is an amenable number.

6238645 is a deficient number, since it is larger than the sum of its proper divisors (2317259).

6238645 is a wasteful number, since it uses less digits than its factorization.

6238645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178259.

The product of its digits is 34560, while the sum is 34.

The square root of 6238645 is about 2497.7279675737. The cubic root of 6238645 is about 184.0899548338.

It can be divided in two parts, 623 and 8645, that multiplied together give a palindrome (5385835).

The spelling of 6238645 in words is "six million, two hundred thirty-eight thousand, six hundred forty-five".