3965814 has 24 divisors (see below), whose sum is σ = 8845560. Its totient is φ = 1317060.

The previous prime is 3965789. The next prime is 3965827. The reversal of 3965814 is 4185693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14499 + ... + 14769.

It is an arithmetic number, because the mean of its divisors is an integer number (368565).

Almost surely, 2^3965814 is an apocalyptic number.

3965814 is an abundant number, since it is smaller than the sum of its proper divisors (4879746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3965814 is an equidigital number, since it uses as much as digits as its factorization.

3965814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 276 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3965814 is about 1991.4351608827. The cubic root of 3965814 is about 158.2865866307.

The spelling of 3965814 in words is "three million, nine hundred sixty-five thousand, eight hundred fourteen".