3543506 has 8 divisors (see below), whose sum is σ = 5323404. Its totient is φ = 1769040.

The previous prime is 3543503. The next prime is 3543511. The reversal of 3543506 is 6053453.

It can be written as a sum of positive squares in 2 ways, for example, as 2805625 + 737881 = 1675^2 + 859^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3543503) 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, 1376 + ... + 2996.

Almost surely, 2^3543506 is an apocalyptic number.

3543506 is a deficient number, since it is larger than the sum of its proper divisors (1779898).

3543506 is a wasteful number, since it uses less digits than its factorization.

3543506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3543506 is about 1882.4202506348. The cubic root of 3543506 is about 152.4559543137.

Adding to 3543506 its reverse (6053453), we get a palindrome (9596959).

The spelling of 3543506 in words is "three million, five hundred forty-three thousand, five hundred six".