3866432 has 14 divisors (see below), whose sum is σ = 7672578. Its totient is φ = 1933184.

The previous prime is 3866419. The next prime is 3866437. The reversal of 3866432 is 2346683.

It can be written as a sum of positive squares in only one way, i.e., 3748096 + 118336 = 1936^2 + 344^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30143 + ... + 30270.

Almost surely, 2^3866432 is an apocalyptic number.

3866432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3866432 is a deficient number, since it is larger than the sum of its proper divisors (3806146).

3866432 is an equidigital number, since it uses as much as digits as its factorization.

3866432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60425 (or 60415 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 3866432 is about 1966.3244900067. The cubic root of 3866432 is about 156.9531822483.

The spelling of 3866432 in words is "three million, eight hundred sixty-six thousand, four hundred thirty-two".