3578868 has 36 divisors (see below), whose sum is σ = 9156420. Its totient is φ = 1178496.

The previous prime is 3578863. The next prime is 3578873. The reversal of 3578868 is 8688753.

It is an interprime number because it is at equal distance from previous prime (3578863) and next prime (3578873).

It can be written as a sum of positive squares in 2 ways, for example, as 381924 + 3196944 = 618^2 + 1788^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3578868² = 25616592322848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3578863) 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, 2646 + ... + 3762.

It is an arithmetic number, because the mean of its divisors is an integer number (254345).

Almost surely, 2^3578868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3578868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4578210).

3578868 is an abundant number, since it is smaller than the sum of its proper divisors (5577552).

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

3578868 is a wasteful number, since it uses less digits than its factorization.

3578868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1211 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 3578868 is about 1891.7896288964. The cubic root of 3578868 is about 152.9614153632.

The spelling of 3578868 in words is "three million, five hundred seventy-eight thousand, eight hundred sixty-eight".