3420303644 has 24 divisors (see below), whose sum is σ = 6339413808. Its totient is φ = 1609099520.

The previous prime is 3420303637. The next prime is 3420303647. The reversal of 3420303644 is 4463030243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420303647) 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, 443687 + ... + 451329.

It is an arithmetic number, because the mean of its divisors is an integer number (264142242).

Almost surely, 2^3420303644 is an apocalyptic number.

3420303644 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3420303644 is a deficient number, since it is larger than the sum of its proper divisors (2919110164).

3420303644 is a wasteful number, since it uses less digits than its factorization.

3420303644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14245 (or 14243 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

The square root of 3420303644 is about 58483.3621126556. The cubic root of 3420303644 is about 1506.6818420910.

Adding to 3420303644 its reverse (4463030243), we get a palindrome (7883333887).

The spelling of 3420303644 in words is "three billion, four hundred twenty million, three hundred three thousand, six hundred forty-four".