3828270 has 16 divisors (see below), whose sum is σ = 9187920. Its totient is φ = 1020864.

The previous prime is 3828269. The next prime is 3828287. The reversal of 3828270 is 728283.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 127609 = 3828270 / (3 + 8 + 2 + 8 + 2 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63775 + ... + 63834.

It is an arithmetic number, because the mean of its divisors is an integer number (574245).

Almost surely, 2^3828270 is an apocalyptic number.

3828270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3828270 is an abundant number, since it is smaller than the sum of its proper divisors (5359650).

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

3828270 is a wasteful number, since it uses less digits than its factorization.

3828270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127619.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 3828270 is about 1956.5965348022. The cubic root of 3828270 is about 156.4350937181.

The spelling of 3828270 in words is "three million, eight hundred twenty-eight thousand, two hundred seventy".