3878331 has 8 divisors (see below), whose sum is σ = 5189184. Its totient is φ = 2576520.

The previous prime is 3878323. The next prime is 3878359. The reversal of 3878331 is 1338783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3878331 - 2³ = 3878323 is a prime.

It is a super-2 number, since 2×3878331² = 30082902691122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3878292 and 3878301.

It is not an unprimeable number, because it can be changed into a prime (3871331) 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, 1185 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (648648).

Almost surely, 2^3878331 is an apocalyptic number.

3878331 is a deficient number, since it is larger than the sum of its proper divisors (1310853).

3878331 is a wasteful number, since it uses less digits than its factorization.

3878331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521.

The product of its digits is 12096, while the sum is 33.

The square root of 3878331 is about 1969.3478616029. The cubic root of 3878331 is about 157.1140259188.

The spelling of 3878331 in words is "three million, eight hundred seventy-eight thousand, three hundred thirty-one".