3520438 has 8 divisors (see below), whose sum is σ = 5294520. Its totient is φ = 1755600.

The previous prime is 3520427. The next prime is 3520457. The reversal of 3520438 is 8340253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (661815).

Almost surely, 2^3520438 is an apocalyptic number.

3520438 is a deficient number, since it is larger than the sum of its proper divisors (1774082).

3520438 is a wasteful number, since it uses less digits than its factorization.

3520438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3520438 is about 1876.2830276907. The cubic root of 3520438 is about 152.1244076126.

The spelling of 3520438 in words is "three million, five hundred twenty thousand, four hundred thirty-eight".