3878007 has 48 divisors (see below), whose sum is σ = 6653952. Its totient is φ = 1995840.

The previous prime is 3878003. The next prime is 3878051. The reversal of 3878007 is 7008783.

It is not a de Polignac number, because 3878007 - 2² = 3878003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104793 + ... + 104829.

It is an arithmetic number, because the mean of its divisors is an integer number (138624).

Almost surely, 2^3878007 is an apocalyptic number.

3878007 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3878007 is a deficient number, since it is larger than the sum of its proper divisors (2775945).

3878007 is a wasteful number, since it uses less digits than its factorization.

3878007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 3878007 is about 1969.2655991511. The cubic root of 3878007 is about 157.1096506380.

The spelling of 3878007 in words is "three million, eight hundred seventy-eight thousand, seven".