3500008 has 8 divisors (see below), whose sum is σ = 6562530. Its totient is φ = 1750000.

The previous prime is 3499999. The next prime is 3500017. The reversal of 3500008 is 8000053.

It is an interprime number because it is at equal distance from previous prime (3499999) and next prime (3500017).

It can be written as a sum of positive squares in only one way, i.e., 3161284 + 338724 = 1778^2 + 582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3499964 and 3500000.

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 as a sum of consecutive naturals, namely, 218743 + ... + 218758.

Almost surely, 2^3500008 is an apocalyptic number.

It is an amenable number.

3500008 is a deficient number, since it is larger than the sum of its proper divisors (3062522).

3500008 is a wasteful number, since it uses less digits than its factorization.

3500008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437507 (or 437503 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3500008 is about 1870.8308314757. The cubic root of 3500008 is about 151.8295642733.

The spelling of 3500008 in words is "three million, five hundred thousand, eight".