4261623 has 8 divisors (see below), whose sum is σ = 5835888. Its totient is φ = 2764224.

The previous prime is 4261613. The next prime is 4261627. The reversal of 4261623 is 3261624.

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

It is not a de Polignac number, because 4261623 - 2¹² = 4257527 is a prime.

It is a super-2 number, since 2×4261623² = 36322861188258, which contains 22 as substring.

4261623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4261593 and 4261602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19086 + ... + 19307.

It is an arithmetic number, because the mean of its divisors is an integer number (729486).

Almost surely, 2^4261623 is an apocalyptic number.

4261623 is a deficient number, since it is larger than the sum of its proper divisors (1574265).

4261623 is a wasteful number, since it uses less digits than its factorization.

4261623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38433.

The product of its digits is 1728, while the sum is 24.

The square root of 4261623 is about 2064.3698796485. The cubic root of 4261623 is about 162.1281184338.

Subtracting from 4261623 its reverse (3261624), we obtain a palindrome (999999).

It can be divided in two parts, 4261 and 623, that added together give a palindrome (4884).

The spelling of 4261623 in words is "four million, two hundred sixty-one thousand, six hundred twenty-three".