8404388652 has 24 divisors (see below), whose sum is σ = 21392989632. Its totient is φ = 2546784400.

The previous prime is 8404388627. The next prime is 8404388659. The reversal of 8404388652 is 2568834048.

It is a super-2 number, since 2×8404388652² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8404388659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31834674 + ... + 31834937.

It is an arithmetic number, because the mean of its divisors is an integer number (891374568).

Almost surely, 2^8404388652 is an apocalyptic number.

It is an amenable number.

8404388652 is an abundant number, since it is smaller than the sum of its proper divisors (12988600980).

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

8404388652 is a wasteful number, since it uses less digits than its factorization.

8404388652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63669629 (or 63669627 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The square root of 8404388652 is about 91675.4528322604. The cubic root of 8404388652 is about 2033.1466686536.

The spelling of 8404388652 in words is "eight billion, four hundred four million, three hundred eighty-eight thousand, six hundred fifty-two".