3454020 has 72 divisors (see below), whose sum is σ = 10832640. Its totient is φ = 889920.

The previous prime is 3454013. The next prime is 3454021. The reversal of 3454020 is 204543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3453984 and 3454002.

It is not an unprimeable number, because it can be changed into a prime (3454021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5271 + ... + 5889.

Almost surely, 2^3454020 is an apocalyptic number.

3454020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3454020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5416320).

3454020 is an abundant number, since it is smaller than the sum of its proper divisors (7378620).

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

3454020 is a wasteful number, since it uses less digits than its factorization.

3454020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3454020 is about 1858.4993946730. The cubic root of 3454020 is about 151.1616472809.

3454020 divided by its sum of digits (18) gives a triangular number (191890 = T₆₁₉).

Adding to 3454020 its reverse (204543), we get a palindrome (3658563).

The spelling of 3454020 in words is "three million, four hundred fifty-four thousand, twenty".