3697281852 has 48 divisors (see below), whose sum is σ = 9499254912. Its totient is φ = 1109913280.

The previous prime is 3697281827. The next prime is 3697281859. The reversal of 3697281852 is 2581827963.

It is a junction number, because it is equal to n+sod(n) for n = 3697281795 and 3697281804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3697281859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116763 + ... + 145010.

It is an arithmetic number, because the mean of its divisors is an integer number (197901144).

Almost surely, 2^3697281852 is an apocalyptic number.

It is an amenable number.

3697281852 is an abundant number, since it is smaller than the sum of its proper divisors (5801973060).

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

3697281852 is a wasteful number, since it uses less digits than its factorization.

3697281852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261898 (or 261896 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 3697281852 is about 60805.2781590546. The cubic root of 3697281852 is about 1546.3015326838.

The spelling of 3697281852 in words is "three billion, six hundred ninety-seven million, two hundred eighty-one thousand, eight hundred fifty-two".