3818965 has 16 divisors (see below), whose sum is σ = 4898880. Its totient is φ = 2848000.

The previous prime is 3818963. The next prime is 3818977. The reversal of 3818965 is 5698183.

It is a happy number.

It is not a de Polignac number, because 3818965 - 2¹ = 3818963 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15090 + ... + 15340.

It is an arithmetic number, because the mean of its divisors is an integer number (306180).

Almost surely, 2^3818965 is an apocalyptic number.

It is an amenable number.

3818965 is a deficient number, since it is larger than the sum of its proper divisors (1079915).

3818965 is a wasteful number, since it uses less digits than its factorization.

3818965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its digits is 51840, while the sum is 40.

The square root of 3818965 is about 1954.2172345980. The cubic root of 3818965 is about 156.3082470839.

The spelling of 3818965 in words is "three million, eight hundred eighteen thousand, nine hundred sixty-five".