3878268 has 24 divisors (see below), whose sum is σ = 9166080. Its totient is φ = 1276080.

The previous prime is 3878267. The next prime is 3878269. The reversal of 3878268 is 8628783.

It is an interprime number because it is at equal distance from previous prime (3878267) and next prime (3878269).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878263) 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, 1098 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (381920).

Almost surely, 2^3878268 is an apocalyptic number.

It is an amenable number.

3878268 is an abundant number, since it is smaller than the sum of its proper divisors (5287812).

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

3878268 is a wasteful number, since it uses less digits than its factorization.

3878268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177 (or 4175 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 3878268 is about 1969.3318663953. The cubic root of 3878268 is about 157.1131751888.

The spelling of 3878268 in words is "three million, eight hundred seventy-eight thousand, two hundred sixty-eight".