3870824 has 8 divisors (see below), whose sum is σ = 7257810. Its totient is φ = 1935408.

The previous prime is 3870821. The next prime is 3870827. The reversal of 3870824 is 4280783.

It is an interprime number because it is at equal distance from previous prime (3870821) and next prime (3870827).

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 145924 = 1930^2 + 382^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3870821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241919 + ... + 241934.

Almost surely, 2^3870824 is an apocalyptic number.

It is an amenable number.

3870824 is a deficient number, since it is larger than the sum of its proper divisors (3386986).

3870824 is a wasteful number, since it uses less digits than its factorization.

3870824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483859 (or 483855 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 3870824 is about 1967.4409775137. The cubic root of 3870824 is about 157.0125890888.

The spelling of 3870824 in words is "three million, eight hundred seventy thousand, eight hundred twenty-four".