3243478 has 8 divisors (see below), whose sum is σ = 5560272. Its totient is φ = 1390056.

The previous prime is 3243473. The next prime is 3243497. The reversal of 3243478 is 8743423.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115825 + ... + 115852.

It is an arithmetic number, because the mean of its divisors is an integer number (695034).

Almost surely, 2^3243478 is an apocalyptic number.

3243478 is a deficient number, since it is larger than the sum of its proper divisors (2316794).

3243478 is a wasteful number, since it uses less digits than its factorization.

3243478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231686.

The product of its digits is 16128, while the sum is 31.

The square root of 3243478 is about 1800.9658519805. The cubic root of 3243478 is about 148.0256529675.

Subtracting 3243478 from its reverse (8743423), we obtain a palindrome (5499945).

It can be divided in two parts, 3243 and 478, that added together give a square (3721 = 61²).

The spelling of 3243478 in words is "three million, two hundred forty-three thousand, four hundred seventy-eight".