3812378 has 8 divisors (see below), whose sum is σ = 5812500. Its totient is φ = 1874880.

The previous prime is 3812371. The next prime is 3812381. The reversal of 3812378 is 8732183.

It can be written as a sum of positive squares in 2 ways, for example, as 3621409 + 190969 = 1903^2 + 437^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3812371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15503 + ... + 15746.

Almost surely, 2^3812378 is an apocalyptic number.

3812378 is a deficient number, since it is larger than the sum of its proper divisors (2000122).

3812378 is a wasteful number, since it uses less digits than its factorization.

3812378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31312.

The product of its digits is 8064, while the sum is 32.

The square root of 3812378 is about 1952.5311777280. The cubic root of 3812378 is about 156.2183278738.

The spelling of 3812378 in words is "three million, eight hundred twelve thousand, three hundred seventy-eight".