3420438743 has 8 divisors (see below), whose sum is σ = 3623790960. Its totient is φ = 3217325440.

The previous prime is 3420438739. The next prime is 3420438751. The reversal of 3420438743 is 3478340243.

It is a happy number.

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 3420438743 - 2² = 3420438739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420438697 and 3420438706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420438713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29813 + ... + 87918.

It is an arithmetic number, because the mean of its divisors is an integer number (452973870).

Almost surely, 2^3420438743 is an apocalyptic number.

3420438743 is a deficient number, since it is larger than the sum of its proper divisors (203352217).

3420438743 is a wasteful number, since it uses less digits than its factorization.

3420438743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119457.

The product of its (nonzero) digits is 193536, while the sum is 38.

The square root of 3420438743 is about 58484.5171220555. The cubic root of 3420438743 is about 1506.7016793677.

Adding to 3420438743 its reverse (3478340243), we get a palindrome (6898778986).

The spelling of 3420438743 in words is "three billion, four hundred twenty million, four hundred thirty-eight thousand, seven hundred forty-three".