3577686 has 48 divisors (see below), whose sum is σ = 8547264. Its totient is φ = 994896.

The previous prime is 3577669. The next prime is 3577699. The reversal of 3577686 is 6867753.

It is a super-2 number, since 2×3577686² = 25599674229192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 3⁷ + 5⁷ + 7⁵ + 7⁷ + 6⁷ + 8⁷ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12501 + ... + 12783.

It is an arithmetic number, because the mean of its divisors is an integer number (178068).

Almost surely, 2^3577686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3577686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4273632).

3577686 is an abundant number, since it is smaller than the sum of its proper divisors (4969578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3577686 is a wasteful number, since it uses less digits than its factorization.

3577686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 338 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 3577686 is about 1891.4772004970. The cubic root of 3577686 is about 152.9445738832.

The spelling of 3577686 in words is "three million, five hundred seventy-seven thousand, six hundred eighty-six".