3878562 has 16 divisors (see below), whose sum is σ = 7967232. Its totient is φ = 1257840.

The previous prime is 3878561. The next prime is 3878597. The reversal of 3878562 is 2658783.

It is a self number, because there is not a number n which added to its sum of digits gives 3878562.

It is not an unprimeable number, because it can be changed into a prime (3878561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8514 + ... + 8957.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^3878562 is an apocalyptic number.

3878562 is an abundant number, since it is smaller than the sum of its proper divisors (4088670).

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

3878562 is a wasteful number, since it uses less digits than its factorization.

3878562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513.

The product of its digits is 80640, while the sum is 39.

The square root of 3878562 is about 1969.4065095861. The cubic root of 3878562 is about 157.1171451832.

The spelling of 3878562 in words is "three million, eight hundred seventy-eight thousand, five hundred sixty-two".