3520437 has 8 divisors (see below), whose sum is σ = 4739904. Its totient is φ = 2323968.

The previous prime is 3520427. The next prime is 3520457. The reversal of 3520437 is 7340253.

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

It is not a de Polignac number, because 3520437 - 2¹⁰ = 3519413 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5388 + ... + 6005.

It is an arithmetic number, because the mean of its divisors is an integer number (592488).

Almost surely, 2^3520437 is an apocalyptic number.

It is an amenable number.

3520437 is a deficient number, since it is larger than the sum of its proper divisors (1219467).

3520437 is a wasteful number, since it uses less digits than its factorization.

3520437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 3520437 is about 1876.2827612063. The cubic root of 3520437 is about 152.1243932087.

The spelling of 3520437 in words is "three million, five hundred twenty thousand, four hundred thirty-seven".