3965824 has 16 divisors (see below), whose sum is σ = 7900920. Its totient is φ = 1982848.

The previous prime is 3965789. The next prime is 3965827. The reversal of 3965824 is 4285693.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15364 + ... + 15619.

Almost surely, 2^3965824 is an apocalyptic number.

It is an amenable number.

3965824 is a deficient number, since it is larger than the sum of its proper divisors (3935096).

3965824 is an equidigital number, since it uses as much as digits as its factorization.

3965824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30997 (or 30985 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 3965824 is about 1991.4376716332. The cubic root of 3965824 is about 158.2867196731.

The spelling of 3965824 in words is "three million, nine hundred sixty-five thousand, eight hundred twenty-four".