3667857228 has 120 divisors (see below), whose sum is σ = 10984925952. Its totient is φ = 1045413216.

The previous prime is 3667857211. The next prime is 3667857229. The reversal of 3667857228 is 8227587663.

3667857228 is a `hidden beast` number, since 3 + 6 + 67 + 8 + 572 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3667857229) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1057425 + ... + 1060887.

Almost surely, 2^3667857228 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 3667857228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5492462976).

3667857228 is an abundant number, since it is smaller than the sum of its proper divisors (7317068724).

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

3667857228 is a wasteful number, since it uses less digits than its factorization.

3667857228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3942 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 3667857228 is about 60562.8370207341. The cubic root of 3667857228 is about 1542.1885490648.

The spelling of 3667857228 in words is "three billion, six hundred sixty-seven million, eight hundred fifty-seven thousand, two hundred twenty-eight".