3919814 has 16 divisors (see below), whose sum is σ = 6404400. Its totient is φ = 1792224.

The previous prime is 3919813. The next prime is 3919823. The reversal of 3919814 is 4189193.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (400275).

Almost surely, 2^3919814 is an apocalyptic number.

3919814 is a deficient number, since it is larger than the sum of its proper divisors (2484586).

3919814 is a wasteful number, since it uses less digits than its factorization.

3919814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607.

The product of its digits is 7776, while the sum is 35.

The square root of 3919814 is about 1979.8520146718. The cubic root of 3919814 is about 157.6722093881.

The spelling of 3919814 in words is "three million, nine hundred nineteen thousand, eight hundred fourteen".