4378605 has 64 divisors (see below), whose sum is σ = 9289728. Its totient is φ = 1704960.

The previous prime is 4378559. The next prime is 4378609. The reversal of 4378605 is 5068734.

It is not a de Polignac number, because 4378605 - 2⁶ = 4378541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378609) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19524 + ... + 19746.

It is an arithmetic number, because the mean of its divisors is an integer number (145152).

Almost surely, 2^4378605 is an apocalyptic number.

It is an amenable number.

4378605 is an abundant number, since it is smaller than the sum of its proper divisors (4911123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4378605 is a wasteful number, since it uses less digits than its factorization.

4378605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4378605 is about 2092.5116487131. The cubic root of 4378605 is about 163.5982258203.

The spelling of 4378605 in words is "four million, three hundred seventy-eight thousand, six hundred five".