3450020 has 48 divisors (see below), whose sum is σ = 8722560. Its totient is φ = 1119744.

The previous prime is 3450017. The next prime is 3450047. The reversal of 3450020 is 200543.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 3449977 and 3450004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (181720).

Almost surely, 2^3450020 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 3450020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4361280).

3450020 is an abundant number, since it is smaller than the sum of its proper divisors (5272540).

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

3450020 is a wasteful number, since it uses less digits than its factorization.

3450020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 3450020 is about 1857.4229459119. The cubic root of 3450020 is about 151.1032727736.

Adding to 3450020 its reverse (200543), we get a palindrome (3650563).

The spelling of 3450020 in words is "three million, four hundred fifty thousand, twenty".