3504778 has 16 divisors (see below), whose sum is σ = 5580000. Its totient is φ = 1646352.

The previous prime is 3504769. The next prime is 3504779. The reversal of 3504778 is 8774053.

It is not an unprimeable number, because it can be changed into a prime (3504779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5353 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (348750).

Almost surely, 2^3504778 is an apocalyptic number.

3504778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3504778 is a deficient number, since it is larger than the sum of its proper divisors (2075222).

3504778 is a wasteful number, since it uses less digits than its factorization.

3504778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3504778 is about 1872.1052320850. The cubic root of 3504778 is about 151.8985068076.

The spelling of 3504778 in words is "three million, five hundred four thousand, seven hundred seventy-eight".