3498561 has 12 divisors (see below), whose sum is σ = 5513040. Its totient is φ = 2120280.

The previous prime is 3498559. The next prime is 3498577. The reversal of 3498561 is 1658943.

3498561 is a `hidden beast` number, since 3 + 4 + 98 + 561 = 666.

It is not a de Polignac number, because 3498561 - 2¹ = 3498559 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (3498581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17571 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (459420).

Almost surely, 2^3498561 is an apocalyptic number.

It is an amenable number.

3498561 is a deficient number, since it is larger than the sum of its proper divisors (2014479).

3498561 is a wasteful number, since it uses less digits than its factorization.

3498561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35356 (or 35353 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3498561 is about 1870.4440649215. Note that the first 3 decimals coincide. The cubic root of 3498561 is about 151.8086378770.

The spelling of 3498561 in words is "three million, four hundred ninety-eight thousand, five hundred sixty-one".