3878824 has 8 divisors (see below), whose sum is σ = 7272810. Its totient is φ = 1939408.

The previous prime is 3878783. The next prime is 3878843. The reversal of 3878824 is 4288783.

It can be written as a sum of positive squares in only one way, i.e., 3496900 + 381924 = 1870^2 + 618^2 .

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

It is a d-powerful number, because it can be written as 3¹³ + 8² + 7⁶ + 8⁴ + 8⁷ + 2¹⁶ + 4 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242419 + ... + 242434.

Almost surely, 2^3878824 is an apocalyptic number.

It is an amenable number.

3878824 is a deficient number, since it is larger than the sum of its proper divisors (3393986).

3878824 is a wasteful number, since it uses less digits than its factorization.

3878824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484859 (or 484855 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 3878824 is about 1969.4730259641. The cubic root of 3878824 is about 157.1206829003.

The spelling of 3878824 in words is "three million, eight hundred seventy-eight thousand, eight hundred twenty-four".