3452778 has 48 divisors (see below), whose sum is σ = 8698560. Its totient is φ = 969408.

The previous prime is 3452773. The next prime is 3452789. The reversal of 3452778 is 8772543.

It is not an unprimeable number, because it can be changed into a prime (3452773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8238 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (181220).

Almost surely, 2^3452778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3452778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4349280).

3452778 is an abundant number, since it is smaller than the sum of its proper divisors (5245782).

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

3452778 is a wasteful number, since it uses less digits than its factorization.

3452778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 3452778 is about 1858.1652240853. The cubic root of 3452778 is about 151.1435268229.

The spelling of 3452778 in words is "three million, four hundred fifty-two thousand, seven hundred seventy-eight".