3661594 has 8 divisors (see below), whose sum is σ = 5640948. Its totient is φ = 1781280.

The previous prime is 3661591. The next prime is 3661597. The reversal of 3661594 is 4951663.

It is an interprime number because it is at equal distance from previous prime (3661591) and next prime (3661597).

It can be written as a sum of positive squares in 2 ways, for example, as 3659569 + 2025 = 1913^2 + 45^2 .

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

It is a d-powerful number, because it can be written as 3¹³ + 6⁶ + 6⁸ + 1 + 5⁷ + 9³ + 4⁹ .

It is not an unprimeable number, because it can be changed into a prime (3661591) 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, 24667 + ... + 24814.

Almost surely, 2^3661594 is an apocalyptic number.

3661594 is a deficient number, since it is larger than the sum of its proper divisors (1979354).

3661594 is a wasteful number, since it uses less digits than its factorization.

3661594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49520.

The product of its digits is 19440, while the sum is 34.

The square root of 3661594 is about 1913.5292001953. The cubic root of 3661594 is about 154.1310235918.

The spelling of 3661594 in words is "three million, six hundred sixty-one thousand, five hundred ninety-four".