4378455 has 40 divisors (see below), whose sum is σ = 8276400. Its totient is φ = 2208384.

The previous prime is 4378453. The next prime is 4378463. The reversal of 4378455 is 5548734.

It is not a de Polignac number, because 4378455 - 2¹ = 4378453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378453) 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 39 ways as a sum of consecutive naturals, for example, 7411 + ... + 7979.

It is an arithmetic number, because the mean of its divisors is an integer number (206910).

Almost surely, 2^4378455 is an apocalyptic number.

4378455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4378455 is a deficient number, since it is larger than the sum of its proper divisors (3897945).

4378455 is a wasteful number, since it uses less digits than its factorization.

4378455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 596 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 4378455 is about 2092.4758063117. The cubic root of 4378455 is about 163.5963576443.

The spelling of 4378455 in words is "four million, three hundred seventy-eight thousand, four hundred fifty-five".