3661534 has 16 divisors (see below), whose sum is σ = 5754240. Its totient is φ = 1745280.

The previous prime is 3661529. The next prime is 3661543. The reversal of 3661534 is 4351663.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4122 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (359640).

Almost surely, 2^3661534 is an apocalyptic number.

3661534 is a deficient number, since it is larger than the sum of its proper divisors (2092706).

3661534 is a wasteful number, since it uses less digits than its factorization.

3661534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 6480, while the sum is 28.

The square root of 3661534 is about 1913.5135222935. The cubic root of 3661534 is about 154.1301817079.

The spelling of 3661534 in words is "three million, six hundred sixty-one thousand, five hundred thirty-four".