3452820 has 48 divisors (see below), whose sum is σ = 11050368. Its totient is φ = 789120.

The previous prime is 3452809. The next prime is 3452821. The reversal of 3452820 is 282543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3452821) 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, 3691 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (230216).

Almost surely, 2^3452820 is an apocalyptic number.

3452820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3452820 is an abundant number, since it is smaller than the sum of its proper divisors (7597548).

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

3452820 is a wasteful number, since it uses less digits than its factorization.

3452820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240 (or 8238 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3452820 is about 1858.1765255217. The cubic root of 3452820 is about 151.1441396630.

The spelling of 3452820 in words is "three million, four hundred fifty-two thousand, eight hundred twenty".