4624405 has 4 divisors (see below), whose sum is σ = 5549292. Its totient is φ = 3699520.

The previous prime is 4624393. The next prime is 4624439. The reversal of 4624405 is 5044264.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 3418801 = 1098^2 + 1849^2 .

It is not a de Polignac number, because 4624405 - 2¹¹ = 4622357 is a prime.

It is a Duffinian number.

4624405 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4624405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462436 + ... + 462445.

It is an arithmetic number, because the mean of its divisors is an integer number (1387323).

Almost surely, 2^4624405 is an apocalyptic number.

It is an amenable number.

4624405 is a deficient number, since it is larger than the sum of its proper divisors (924887).

4624405 is an equidigital number, since it uses as much as digits as its factorization.

4624405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924886.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4624405 is about 2150.4429776211. The cubic root of 4624405 is about 166.6039475119.

Adding to 4624405 its reverse (5044264), we get a palindrome (9668669).

The spelling of 4624405 in words is "four million, six hundred twenty-four thousand, four hundred five".