4236591 has 4 divisors (see below), whose sum is σ = 5648792. Its totient is φ = 2824392.

The previous prime is 4236541. The next prime is 4236619. The reversal of 4236591 is 1956324.

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

It is not a de Polignac number, because 4236591 - 2⁶ = 4236527 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4236541) 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, 706096 + ... + 706101.

It is an arithmetic number, because the mean of its divisors is an integer number (1412198).

Almost surely, 2^4236591 is an apocalyptic number.

4236591 is a deficient number, since it is larger than the sum of its proper divisors (1412201).

4236591 is a wasteful number, since it uses less digits than its factorization.

4236591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412200.

The product of its digits is 6480, while the sum is 30.

The square root of 4236591 is about 2058.2980833689. The cubic root of 4236591 is about 161.8100578282.

It can be divided in two parts, 423659 and 1, that added together give a triangular number (423660 = T₉₂₀).

The spelling of 4236591 in words is "four million, two hundred thirty-six thousand, five hundred ninety-one".