3828278 has 4 divisors (see below), whose sum is σ = 5742420. Its totient is φ = 1914138.

The previous prime is 3828269. The next prime is 3828287. The reversal of 3828278 is 8728283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8728283 = 59 ⋅147937.

It is an interprime number because it is at equal distance from previous prime (3828269) and next prime (3828287).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957068 + ... + 957071.

It is an arithmetic number, because the mean of its divisors is an integer number (1435605).

Almost surely, 2^3828278 is an apocalyptic number.

3828278 is a deficient number, since it is larger than the sum of its proper divisors (1914142).

3828278 is a wasteful number, since it uses less digits than its factorization.

3828278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914141.

The product of its digits is 43008, while the sum is 38.

The square root of 3828278 is about 1956.5985791674. The cubic root of 3828278 is about 156.4352026864.

The spelling of 3828278 in words is "three million, eight hundred twenty-eight thousand, two hundred seventy-eight".