3696855552 has 200 divisors, whose sum is σ = 11884653396. Its totient is φ = 1137328128.

The previous prime is 3696855499. The next prime is 3696855553. The reversal of 3696855552 is 2555586963.

3696855552 is a `hidden beast` number, since 3 + 6 + 9 + 6 + 85 + 5 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2702336256 + 994519296 = 51984^2 + 31536^2 .

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 (3696855553) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 535708 + ... + 542564.

Almost surely, 2^3696855552 is an apocalyptic number.

3696855552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3696855552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5942326698).

3696855552 is an abundant number, since it is smaller than the sum of its proper divisors (8187797844).

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

3696855552 is an equidigital number, since it uses as much as digits as its factorization.

3696855552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900 (or 6875 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 54.

The square root of 3696855552 is about 60801.7726057391. The cubic root of 3696855552 is about 1546.2421004030.

The spelling of 3696855552 in words is "three billion, six hundred ninety-six million, eight hundred fifty-five thousand, five hundred fifty-two".