4912405 has 8 divisors (see below), whose sum is σ = 6241752. Its totient is φ = 3698688.

The previous prime is 4912403. The next prime is 4912421. The reversal of 4912405 is 5042194.

4912405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1552516 + 3359889 = 1246^2 + 1833^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4912405 - 2¹ = 4912403 is a prime.

It is a Duffinian number.

4912405 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4912405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4912403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28812 + ... + 28981.

It is an arithmetic number, because the mean of its divisors is an integer number (780219).

Almost surely, 2^4912405 is an apocalyptic number.

It is an amenable number.

4912405 is a deficient number, since it is larger than the sum of its proper divisors (1329347).

4912405 is a wasteful number, since it uses less digits than its factorization.

4912405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57815.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4912405 is about 2216.3945948319. The cubic root of 4912405 is about 169.9931369778.

Adding to 4912405 its reverse (5042194), we get a palindrome (9954599).

The spelling of 4912405 in words is "four million, nine hundred twelve thousand, four hundred five".