3914378 has 24 divisors (see below), whose sum is σ = 6550668. Its totient is φ = 1752192.

The previous prime is 3914377. The next prime is 3914387. The reversal of 3914378 is 8734193.

It can be written as a sum of positive squares in 6 ways, for example, as 277729 + 3636649 = 527^2 + 1907^2 .

Its product of digits (18144) is a multiple of the sum of its prime factors (378).

It is not an unprimeable number, because it can be changed into a prime (3914377) 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 11 ways as a sum of consecutive naturals, for example, 12350 + ... + 12662.

Almost surely, 2^3914378 is an apocalyptic number.

3914378 is a deficient number, since it is larger than the sum of its proper divisors (2636290).

3914378 is a wasteful number, since it uses less digits than its factorization.

3914378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 365 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 3914378 is about 1978.4787085031. The cubic root of 3914378 is about 157.5992890363.

The spelling of 3914378 in words is "three million, nine hundred fourteen thousand, three hundred seventy-eight".