3400420321 has 8 divisors (see below), whose sum is σ = 3484137888. Its totient is φ = 3316740000.

The previous prime is 3400420307. The next prime is 3400420333. The reversal of 3400420321 is 1230240043.

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 3400420321 - 2⁷ = 3400420193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3400420021) 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, 299926 + ... + 311056.

It is an arithmetic number, because the mean of its divisors is an integer number (435517236).

Almost surely, 2^3400420321 is an apocalyptic number.

It is an amenable number.

3400420321 is a deficient number, since it is larger than the sum of its proper divisors (83717567).

3400420321 is a wasteful number, since it uses less digits than its factorization.

3400420321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18623.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3400420321 is about 58313.1230599082. The cubic root of 3400420321 is about 1503.7565578102.

Adding to 3400420321 its reverse (1230240043), we get a palindrome (4630660364).

The spelling of 3400420321 in words is "three billion, four hundred million, four hundred twenty thousand, three hundred twenty-one".