3820878 has 32 divisors (see below), whose sum is σ = 8560800. Its totient is φ = 1263168.

The previous prime is 3820871. The next prime is 3820889. The reversal of 3820878 is 8780283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820871) 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, 9138 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (267525).

Almost surely, 2^3820878 is an apocalyptic number.

3820878 is an abundant number, since it is smaller than the sum of its proper divisors (4739922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3820878 is a wasteful number, since it uses less digits than its factorization.

3820878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 3820878 is about 1954.7066276043. The cubic root of 3820878 is about 156.3343420915.

The spelling of 3820878 in words is "three million, eight hundred twenty thousand, eight hundred seventy-eight".