3685575388 has 24 divisors (see below), whose sum is σ = 7406421120. Its totient is φ = 1587089520.

The previous prime is 3685575373. The next prime is 3685575437. The reversal of 3685575388 is 8835755863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2203456 + ... + 2205127.

It is an arithmetic number, because the mean of its divisors is an integer number (308600880).

Almost surely, 2^3685575388 is an apocalyptic number.

3685575388 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3685575388 is an abundant number, since it is smaller than the sum of its proper divisors (3720845732).

3685575388 is a wasteful number, since it uses less digits than its factorization.

3685575388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408617 (or 4408615 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 58.

The square root of 3685575388 is about 60708.9399347411. The cubic root of 3685575388 is about 1544.6678224431.

The spelling of 3685575388 in words is "three billion, six hundred eighty-five million, five hundred seventy-five thousand, three hundred eighty-eight".