3929378 has 8 divisors (see below), whose sum is σ = 5905872. Its totient is φ = 1960756.

The previous prime is 3929369. The next prime is 3929407. The reversal of 3929378 is 8739293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3929378² = 30880022933768, which contains 22 as substring.

It is a zygodrome in base 11.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 500 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (738234).

Almost surely, 2^3929378 is an apocalyptic number.

3929378 is a deficient number, since it is larger than the sum of its proper divisors (1976494).

3929378 is a wasteful number, since it uses less digits than its factorization.

3929378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936.

The product of its digits is 81648, while the sum is 41.

The square root of 3929378 is about 1982.2658752044. The cubic root of 3929378 is about 157.8003406571.

The spelling of 3929378 in words is "three million, nine hundred twenty-nine thousand, three hundred seventy-eight".