4270643 has 4 divisors (see below), whose sum is σ = 4599168. Its totient is φ = 3942120.

The previous prime is 4270639. The next prime is 4270667. The reversal of 4270643 is 3460724.

It is a happy number.

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

It is not a de Polignac number, because 4270643 - 2² = 4270639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4270603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164243 + ... + 164268.

It is an arithmetic number, because the mean of its divisors is an integer number (1149792).

Almost surely, 2^4270643 is an apocalyptic number.

4270643 is a deficient number, since it is larger than the sum of its proper divisors (328525).

4270643 is a wasteful number, since it uses less digits than its factorization.

4270643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328524.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 4270643 is about 2066.5534108752. The cubic root of 4270643 is about 162.2424227015.

It can be divided in two parts, 4270 and 643, that added together give a cube (4913 = 17³).

The spelling of 4270643 in words is "four million, two hundred seventy thousand, six hundred forty-three".