3213404456 has 8 divisors (see below), whose sum is σ = 6025133370. Its totient is φ = 1606702224.

The previous prime is 3213404449. The next prime is 3213404461. The reversal of 3213404456 is 6544043123.

It can be written as a sum of positive squares in only one way, i.e., 2202800356 + 1010604100 = 46934^2 + 31790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200837771 + ... + 200837786.

Almost surely, 2^3213404456 is an apocalyptic number.

It is an amenable number.

3213404456 is a deficient number, since it is larger than the sum of its proper divisors (2811728914).

3213404456 is a wasteful number, since it uses less digits than its factorization.

3213404456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401675563 (or 401675559 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 3213404456 is about 56686.8984510530. The cubic root of 3213404456 is about 1475.6673346882.

Adding to 3213404456 its reverse (6544043123), we get a palindrome (9757447579).

The spelling of 3213404456 in words is "three billion, two hundred thirteen million, four hundred four thousand, four hundred fifty-six".