3820312 has 8 divisors (see below), whose sum is σ = 7163100. Its totient is φ = 1910152.

The previous prime is 3820303. The next prime is 3820319. The reversal of 3820312 is 2130283.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3820312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238762 + ... + 238777.

Almost surely, 2^3820312 is an apocalyptic number.

It is an amenable number.

3820312 is a deficient number, since it is larger than the sum of its proper divisors (3342788).

3820312 is a wasteful number, since it uses less digits than its factorization.

3820312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477545 (or 477541 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3820312 is about 1954.5618434831. The cubic root of 3820312 is about 156.3266222596.

Adding to 3820312 its reverse (2130283), we get a palindrome (5950595).

The spelling of 3820312 in words is "three million, eight hundred twenty thousand, three hundred twelve".