3864270 has 32 divisors (see below), whose sum is σ = 9821088. Its totient is φ = 969728.

The previous prime is 3864269. The next prime is 3864307. The reversal of 3864270 is 724683.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3279 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (306909).

Almost surely, 2^3864270 is an apocalyptic number.

3864270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3864270 is an abundant number, since it is smaller than the sum of its proper divisors (5956818).

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

3864270 is a wasteful number, since it uses less digits than its factorization.

3864270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3864270 is about 1965.7746564650. The cubic root of 3864270 is about 156.9239221925.

It can be divided in two parts, 386 and 4270, that added together give a triangular number (4656 = T₉₆).

The spelling of 3864270 in words is "three million, eight hundred sixty-four thousand, two hundred seventy".