4378946 has 32 divisors (see below), whose sum is σ = 7874496. Its totient is φ = 1800000.

The previous prime is 4378939. The next prime is 4378951. The reversal of 4378946 is 6498734.

4378946 = T₃₄₈ + T₃₄₉ + ... + T₄₀₈.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17321 + ... + 17571.

It is an arithmetic number, because the mean of its divisors is an integer number (246078).

Almost surely, 2^4378946 is an apocalyptic number.

4378946 is a deficient number, since it is larger than the sum of its proper divisors (3495550).

4378946 is a wasteful number, since it uses less digits than its factorization.

4378946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its digits is 145152, while the sum is 41.

The square root of 4378946 is about 2092.5931281546. The cubic root of 4378946 is about 163.6024726483.

The spelling of 4378946 in words is "four million, three hundred seventy-eight thousand, nine hundred forty-six".