3408547421 has 8 divisors (see below), whose sum is σ = 3430435200. Its totient is φ = 3386707632.

The previous prime is 3408547403. The next prime is 3408547477. The reversal of 3408547421 is 1247458043.

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

It is a cyclic number.

It is not a de Polignac number, because 3408547421 - 2⁶ = 3408547357 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 (3408549421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136331 + ... + 159383.

It is an arithmetic number, because the mean of its divisors is an integer number (428804400).

Almost surely, 2^3408547421 is an apocalyptic number.

It is an amenable number.

3408547421 is a deficient number, since it is larger than the sum of its proper divisors (21887779).

3408547421 is a wasteful number, since it uses less digits than its factorization.

3408547421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23995.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 3408547421 is about 58382.7664726501. The cubic root of 3408547421 is about 1504.9536114442.

The spelling of 3408547421 in words is "three billion, four hundred eight million, five hundred forty-seven thousand, four hundred twenty-one".