5647234 has 4 divisors (see below), whose sum is σ = 8470854. Its totient is φ = 2823616.

The previous prime is 5647231. The next prime is 5647241. The reversal of 5647234 is 4327465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4327465 = 5 ⋅865493.

It can be written as a sum of positive squares in only one way, i.e., 3229209 + 2418025 = 1797^2 + 1555^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5647196 and 5647205.

It is not an unprimeable number, because it can be changed into a prime (5647231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411807 + ... + 1411810.

Almost surely, 2^5647234 is an apocalyptic number.

5647234 is a deficient number, since it is larger than the sum of its proper divisors (2823620).

5647234 is a wasteful number, since it uses less digits than its factorization.

5647234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823619.

The product of its digits is 20160, while the sum is 31.

The square root of 5647234 is about 2376.3909611005. The cubic root of 5647234 is about 178.0786800253.

The spelling of 5647234 in words is "five million, six hundred forty-seven thousand, two hundred thirty-four".