3928814 has 16 divisors (see below), whose sum is σ = 6193152. Its totient is φ = 1865688.

The previous prime is 3928811. The next prime is 3928817. The reversal of 3928814 is 4188293.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3928811) and next prime (3928817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928811) 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, 10067 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (387072).

Almost surely, 2^3928814 is an apocalyptic number.

3928814 is a deficient number, since it is larger than the sum of its proper divisors (2264338).

3928814 is a wasteful number, since it uses less digits than its factorization.

3928814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its digits is 13824, while the sum is 35.

The square root of 3928814 is about 1982.1236086581. The cubic root of 3928814 is about 157.7927903824.

The spelling of 3928814 in words is "three million, nine hundred twenty-eight thousand, eight hundred fourteen".