3530239 has 4 divisors (see below), whose sum is σ = 3572856. Its totient is φ = 3487624.

The previous prime is 3530231. The next prime is 3530243. The reversal of 3530239 is 9320353.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3530239 - 2³ = 3530231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21184 + ... + 21349.

It is an arithmetic number, because the mean of its divisors is an integer number (893214).

Almost surely, 2^3530239 is an apocalyptic number.

3530239 is a deficient number, since it is larger than the sum of its proper divisors (42617).

3530239 is an equidigital number, since it uses as much as digits as its factorization.

3530239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42616.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 3530239 is about 1878.8930251614. The cubic root of 3530239 is about 152.2654497045.

The spelling of 3530239 in words is "three million, five hundred thirty thousand, two hundred thirty-nine".