3246827421 has 4 divisors (see below), whose sum is σ = 4329103232. Its totient is φ = 2164551612.

The previous prime is 3246827417. The next prime is 3246827473. The reversal of 3246827421 is 1247286423.

It is a happy number.

3246827421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3246827421 - 2² = 3246827417 is a prime.

It is a super-2 number, since 2×3246827421² = 21083776603515022482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3246827421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3246827621) 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, 541137901 + ... + 541137906.

It is an arithmetic number, because the mean of its divisors is an integer number (1082275808).

Almost surely, 2^3246827421 is an apocalyptic number.

It is an amenable number.

3246827421 is a deficient number, since it is larger than the sum of its proper divisors (1082275811).

3246827421 is a wasteful number, since it uses less digits than its factorization.

3246827421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082275810.

The product of its digits is 129024, while the sum is 39.

The square root of 3246827421 is about 56980.9391024753. The cubic root of 3246827421 is about 1480.7658899596.

The spelling of 3246827421 in words is "three billion, two hundred forty-six million, eight hundred twenty-seven thousand, four hundred twenty-one".