4920405 has 16 divisors (see below), whose sum is σ = 8997504. Its totient is φ = 2249280.

The previous prime is 4920403. The next prime is 4920407. The reversal of 4920405 is 5040294.

It is an interprime number because it is at equal distance from previous prime (4920403) and next prime (4920407).

It is not a de Polignac number, because 4920405 - 2¹ = 4920403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4920403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23326 + ... + 23535.

It is an arithmetic number, because the mean of its divisors is an integer number (562344).

Almost surely, 2^4920405 is an apocalyptic number.

It is an amenable number.

4920405 is a deficient number, since it is larger than the sum of its proper divisors (4077099).

4920405 is a wasteful number, since it uses less digits than its factorization.

4920405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46876.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4920405 is about 2218.1985934537. The cubic root of 4920405 is about 170.0853665834.

Adding to 4920405 its reverse (5040294), we get a palindrome (9960699).

The spelling of 4920405 in words is "four million, nine hundred twenty thousand, four hundred five".