3698504388 has 30 divisors (see below), whose sum is σ = 9668621886. Its totient is φ = 1232834688.

The previous prime is 3698504363. The next prime is 3698504389. The reversal of 3698504388 is 8834058963.

It is a happy number.

3698504388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2914056324 + 784448064 = 53982^2 + 28008^2 .

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 (3698504389) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5707245 + ... + 5707892.

Almost surely, 2^3698504388 is an apocalyptic number.

It is an amenable number.

3698504388 is an abundant number, since it is smaller than the sum of its proper divisors (5970117498).

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

3698504388 is a wasteful number, since it uses less digits than its factorization.

3698504388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11415153 (or 11415142 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The square root of 3698504388 is about 60815.3302054671. The cubic root of 3698504388 is about 1546.4719462511.

The spelling of 3698504388 in words is "three billion, six hundred ninety-eight million, five hundred four thousand, three hundred eighty-eight".