3506245 has 8 divisors (see below), whose sum is σ = 4352760. Its totient is φ = 2708160.

The previous prime is 3506213. The next prime is 3506249. The reversal of 3506245 is 5426053.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 2815684 = 831^2 + 1678^2 .

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

It is not a de Polignac number, because 3506245 - 2⁵ = 3506213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506249) 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, 11946 + ... + 12235.

It is an arithmetic number, because the mean of its divisors is an integer number (544095).

Almost surely, 2^3506245 is an apocalyptic number.

It is an amenable number.

3506245 is a deficient number, since it is larger than the sum of its proper divisors (846515).

3506245 is a wasteful number, since it uses less digits than its factorization.

3506245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24215.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3506245 is about 1872.4969959922. The cubic root of 3506245 is about 151.9196973106.

The spelling of 3506245 in words is "three million, five hundred six thousand, two hundred forty-five".