3500004 has 24 divisors (see below), whose sum is σ = 8205120. Its totient is φ = 1161184.

The previous prime is 3499999. The next prime is 3500017. The reversal of 3500004 is 4000053.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2602 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (341880).

Almost surely, 2^3500004 is an apocalyptic number.

It is an amenable number.

3500004 is an abundant number, since it is smaller than the sum of its proper divisors (4705116).

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

3500004 is a wasteful number, since it uses less digits than its factorization.

3500004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 3500004 is about 1870.8297624316. The cubic root of 3500004 is about 151.8295064336.

Adding to 3500004 its reverse (4000053), we get a palindrome (7500057).

The spelling of 3500004 in words is "three million, five hundred thousand, four".