4155378 has 16 divisors (see below), whose sum is σ = 8799840. Its totient is φ = 1303616.

The previous prime is 4155367. The next prime is 4155401. The reversal of 4155378 is 8735514.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20268 + ... + 20471.

It is an arithmetic number, because the mean of its divisors is an integer number (549990).

Almost surely, 2^4155378 is an apocalyptic number.

4155378 is an abundant number, since it is smaller than the sum of its proper divisors (4644462).

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

4155378 is a wasteful number, since it uses less digits than its factorization.

4155378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40761.

The product of its digits is 16800, while the sum is 33.

The square root of 4155378 is about 2038.4744295674. The cubic root of 4155378 is about 160.7694448267.

The spelling of 4155378 in words is "four million, one hundred fifty-five thousand, three hundred seventy-eight".