3420200928 has 24 divisors (see below), whose sum is σ = 8978027688. Its totient is φ = 1140066944.

The previous prime is 3420200921. The next prime is 3420200941. The reversal of 3420200928 is 8290020243.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×3420200928² = 23395548775784122368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3420200895 and 3420200904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420200921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17813451 + ... + 17813642.

It is an arithmetic number, because the mean of its divisors is an integer number (374084487).

Almost surely, 2^3420200928 is an apocalyptic number.

It is an amenable number.

3420200928 is an abundant number, since it is smaller than the sum of its proper divisors (5557826760).

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

3420200928 is a wasteful number, since it uses less digits than its factorization.

3420200928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35627106 (or 35627098 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3420200928 is about 58482.4839417753. The cubic root of 3420200928 is about 1506.6667594260. Note that the first 3 decimals are identical.

The spelling of 3420200928 in words is "three billion, four hundred twenty million, two hundred thousand, nine hundred twenty-eight".