3866430 has 24 divisors (see below), whose sum is σ = 9305352. Its totient is φ = 1028176.

The previous prime is 3866419. The next prime is 3866437. The reversal of 3866430 is 346683.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10591 + ... + 10949.

It is an arithmetic number, because the mean of its divisors is an integer number (387723).

Almost surely, 2^3866430 is an apocalyptic number.

3866430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3866430 is an abundant number, since it is smaller than the sum of its proper divisors (5438922).

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

3866430 is an equidigital number, since it uses as much as digits as its factorization.

3866430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3866430 is about 1966.3239814435. The cubic root of 3866430 is about 156.9531551858.

Multiplying 3866430 by its sum of digits (30), we get a square (115992900 = 10770²).

3866430 divided by its sum of digits (30) gives a square (128881 = 359²).

The spelling of 3866430 in words is "three million, eight hundred sixty-six thousand, four hundred thirty".