3504018 has 32 divisors (see below), whose sum is σ = 8432640. Its totient is φ = 948240.

The previous prime is 3504013. The next prime is 3504031. The reversal of 3504018 is 8104053.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3503985 and 3504003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504013) 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 15 ways as a sum of consecutive naturals, for example, 1398 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (263520).

Almost surely, 2^3504018 is an apocalyptic number.

3504018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3504018 is an abundant number, since it is smaller than the sum of its proper divisors (4928622).

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

3504018 is a wasteful number, since it uses less digits than its factorization.

3504018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3504018 is about 1871.9022410372. The cubic root of 3504018 is about 151.8875264440.

The spelling of 3504018 in words is "three million, five hundred four thousand, eighteen".