3420388836 has 48 divisors (see below), whose sum is σ = 8955502080. Its totient is φ = 1128837600.

The previous prime is 3420388801. The next prime is 3420388837. The reversal of 3420388836 is 6388830243.

It is a junction number, because it is equal to n+sod(n) for n = 3420388791 and 3420388800.

It is not an unprimeable number, because it can be changed into a prime (3420388837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145876 + ... + 167691.

It is an arithmetic number, because the mean of its divisors is an integer number (186572960).

Almost surely, 2^3420388836 is an apocalyptic number.

3420388836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3420388836 is an abundant number, since it is smaller than the sum of its proper divisors (5535113244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3420388836 is a wasteful number, since it uses less digits than its factorization.

3420388836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313681 (or 313673 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 3420388836 is about 58484.0904520195. The cubic root of 3420388836 is about 1506.6943513286.

The spelling of 3420388836 in words is "three billion, four hundred twenty million, three hundred eighty-eight thousand, eight hundred thirty-six".