3504906 has 12 divisors (see below), whose sum is σ = 7594002. Its totient is φ = 1168296.

The previous prime is 3504889. The next prime is 3504923. The reversal of 3504906 is 6094053.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3504889) and next prime (3504923).

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 210681 = 1815^2 + 459^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3504906.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97341 + ... + 97376.

Almost surely, 2^3504906 is an apocalyptic number.

3504906 is an abundant number, since it is smaller than the sum of its proper divisors (4089096).

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

3504906 is a wasteful number, since it uses less digits than its factorization.

3504906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194725 (or 194722 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3504906 is about 1872.1394178853. The cubic root of 3504906 is about 151.9003559758.

Adding to 3504906 its reverse (6094053), we get a palindrome (9598959).

The spelling of 3504906 in words is "three million, five hundred four thousand, nine hundred six".