3661279 has 8 divisors (see below), whose sum is σ = 3813120. Its totient is φ = 3511200.

The previous prime is 3661277. The next prime is 3661289. The reversal of 3661279 is 9721663.

3661279 = 32² + 33² + ... + 222².

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

It is a cyclic number.

It is not a de Polignac number, because 3661279 - 2¹ = 3661277 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661271) 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, 5209 + ... + 5869.

It is an arithmetic number, because the mean of its divisors is an integer number (476640).

Almost surely, 2^3661279 is an apocalyptic number.

3661279 is a deficient number, since it is larger than the sum of its proper divisors (151841).

3661279 is a wasteful number, since it uses less digits than its factorization.

3661279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881.

The product of its digits is 13608, while the sum is 34.

The square root of 3661279 is about 1913.4468897777. The cubic root of 3661279 is about 154.1266035984.

The spelling of 3661279 in words is "three million, six hundred sixty-one thousand, two hundred seventy-nine".