9405385904 has 20 divisors (see below), whose sum is σ = 18479598480. Its totient is φ = 4636457280.

The previous prime is 9405385823. The next prime is 9405385943. The reversal of 9405385904 is 4095835049.

It is a super-2 number, since 2×9405385904² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138559 + ... + 4140830.

It is an arithmetic number, because the mean of its divisors is an integer number (923979924).

Almost surely, 2^9405385904 is an apocalyptic number.

It is an amenable number.

9405385904 is a deficient number, since it is larger than the sum of its proper divisors (9074212576).

9405385904 is a wasteful number, since it uses less digits than its factorization.

9405385904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8279468 (or 8279462 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 9405385904 is about 96981.3688498982. The cubic root of 9405385904 is about 2110.8572921496.

The spelling of 9405385904 in words is "nine billion, four hundred five million, three hundred eighty-five thousand, nine hundred four".