3387450421 has 4 divisors (see below), whose sum is σ = 3387916012. Its totient is φ = 3386984832.

The previous prime is 3387450389. The next prime is 3387450467. The reversal of 3387450421 is 1240547833.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1786330225 + 1601120196 = 42265^2 + 40014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3387450421 - 2⁵ = 3387450389 is a prime.

It is a super-2 number, since 2×3387450421² = 22949640709466154482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387457421) 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, 221706 + ... + 236491.

It is an arithmetic number, because the mean of its divisors is an integer number (846979003).

Almost surely, 2^3387450421 is an apocalyptic number.

It is an amenable number.

3387450421 is a deficient number, since it is larger than the sum of its proper divisors (465591).

3387450421 is an equidigital number, since it uses as much as digits as its factorization.

3387450421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465590.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 3387450421 is about 58201.8077124757. The cubic root of 3387450421 is about 1501.8422433149.

The spelling of 3387450421 in words is "three billion, three hundred eighty-seven million, four hundred fifty thousand, four hundred twenty-one".