3420409172 has 12 divisors (see below), whose sum is σ = 6002028480. Its totient is φ = 1705543896.

The previous prime is 3420409171. The next prime is 3420409177. The reversal of 3420409172 is 2719040243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420409171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163522 + ... + 1166457.

It is an arithmetic number, because the mean of its divisors is an integer number (500169040).

Almost surely, 2^3420409172 is an apocalyptic number.

It is an amenable number.

3420409172 is a deficient number, since it is larger than the sum of its proper divisors (2581619308).

3420409172 is a wasteful number, since it uses less digits than its factorization.

3420409172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330350 (or 2330348 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 3420409172 is about 58484.2643110093. The cubic root of 3420409172 is about 1506.6973373513.

The spelling of 3420409172 in words is "three billion, four hundred twenty million, four hundred nine thousand, one hundred seventy-two".