4642455 has 16 divisors (see below), whose sum is σ = 7475040. Its totient is φ = 2460288.

The previous prime is 4642423. The next prime is 4642457. The reversal of 4642455 is 5542464.

It is not a de Polignac number, because 4642455 - 2⁵ = 4642423 is a prime.

4642455 is a lucky number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701 + ... + 3489.

It is an arithmetic number, because the mean of its divisors is an integer number (467190).

Almost surely, 2^4642455 is an apocalyptic number.

4642455 is a deficient number, since it is larger than the sum of its proper divisors (2832585).

4642455 is a wasteful number, since it uses less digits than its factorization.

4642455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its digits is 19200, while the sum is 30.

The square root of 4642455 is about 2154.6357000663. The cubic root of 4642455 is about 166.8204292100.

Subtracting 4642455 from its reverse (5542464), we obtain a palindrome (900009).

The spelling of 4642455 in words is "four million, six hundred forty-two thousand, four hundred fifty-five".