3508420 has 48 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 1291136.

The previous prime is 3508399. The next prime is 3508429. The reversal of 3508420 is 248053.

It is a junction number, because it is equal to n+sod(n) for n = 3508391 and 3508400.

It is not an unprimeable number, because it can be changed into a prime (3508429) 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, 13209 + ... + 13471.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

Almost surely, 2^3508420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3508420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991680).

3508420 is an abundant number, since it is smaller than the sum of its proper divisors (4474940).

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

3508420 is a wasteful number, since it uses less digits than its factorization.

3508420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3508420 is about 1873.0776812508. The cubic root of 3508420 is about 151.9511038478.

The spelling of 3508420 in words is "three million, five hundred eight thousand, four hundred twenty".