5645338 has 4 divisors (see below), whose sum is σ = 8468010. Its totient is φ = 2822668.

The previous prime is 5645333. The next prime is 5645347. The reversal of 5645338 is 8335465.

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

It can be written as a sum of positive squares in only one way, i.e., 4338889 + 1306449 = 2083^2 + 1143^2 .

It is a super-2 number, since 2×5645338² = 63739682268488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5645333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411333 + ... + 1411336.

Almost surely, 2^5645338 is an apocalyptic number.

5645338 is a deficient number, since it is larger than the sum of its proper divisors (2822672).

5645338 is a wasteful number, since it uses less digits than its factorization.

5645338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822671.

The product of its digits is 43200, while the sum is 34.

The square root of 5645338 is about 2375.9920033535. The cubic root of 5645338 is about 178.0587484404.

The spelling of 5645338 in words is "five million, six hundred forty-five thousand, three hundred thirty-eight".