3520434 has 16 divisors (see below), whose sum is σ = 7411680. Its totient is φ = 1111680.

The previous prime is 3520427. The next prime is 3520457. The reversal of 3520434 is 4340253.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3520434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15327 + ... + 15554.

It is an arithmetic number, because the mean of its divisors is an integer number (463230).

Almost surely, 2^3520434 is an apocalyptic number.

3520434 is an abundant number, since it is smaller than the sum of its proper divisors (3891246).

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

3520434 is a wasteful number, since it uses less digits than its factorization.

3520434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30905.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3520434 is about 1876.2819617531. The cubic root of 3520434 is about 152.1243499969.

Adding to 3520434 its reverse (4340253), we get a palindrome (7860687).

The spelling of 3520434 in words is "three million, five hundred twenty thousand, four hundred thirty-four".