3620355228 has 72 divisors (see below), whose sum is σ = 11009281920. Its totient is φ = 979944480.

The previous prime is 3620355203. The next prime is 3620355259. The reversal of 3620355228 is 8225530263.

3620355228 is a `hidden beast` number, since 3 + 620 + 3 + 5 + 5 + 2 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3620355192 and 3620355201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373278 + ... + 382853.

Almost surely, 2^3620355228 is an apocalyptic number.

3620355228 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3620355228 is an abundant number, since it is smaller than the sum of its proper divisors (7388926692).

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

3620355228 is a wasteful number, since it uses less digits than its factorization.

3620355228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756167 (or 756162 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3620355228 is about 60169.3877981154. The cubic root of 3620355228 is about 1535.5020307558.

The spelling of 3620355228 in words is "three billion, six hundred twenty million, three hundred fifty-five thousand, two hundred twenty-eight".