3276387421 has 12 divisors (see below), whose sum is σ = 3451250880. Its totient is φ = 3109946840.

The previous prime is 3276387377. The next prime is 3276387497. The reversal of 3276387421 is 1247836723.

3276387421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3276387421 - 2⁹ = 3276386909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3276385421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45660 + ... + 92938.

It is an arithmetic number, because the mean of its divisors is an integer number (287604240).

Almost surely, 2^3276387421 is an apocalyptic number.

It is an amenable number.

3276387421 is a deficient number, since it is larger than the sum of its proper divisors (174863459).

3276387421 is a wasteful number, since it uses less digits than its factorization.

3276387421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47456 (or 47433 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 3276387421 is about 57239.7363812937. The cubic root of 3276387421 is about 1485.2460861813.

The spelling of 3276387421 in words is "three billion, two hundred seventy-six million, three hundred eighty-seven thousand, four hundred twenty-one".