385708408 has 8 divisors (see below), whose sum is σ = 723203280. Its totient is φ = 192854200.

The previous prime is 385708399. The next prime is 385708447. The reversal of 385708408 is 804807583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24106768 + ... + 24106783.

It is an arithmetic number, because the mean of its divisors is an integer number (90400410).

Almost surely, 2^385708408 is an apocalyptic number.

It is an amenable number.

385708408 is a deficient number, since it is larger than the sum of its proper divisors (337494872).

385708408 is a wasteful number, since it uses less digits than its factorization.

385708408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48213557 (or 48213553 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 385708408 is about 19639.4604813880. The cubic root of 385708408 is about 727.9245534260.

The spelling of 385708408 in words is "three hundred eighty-five million, seven hundred eight thousand, four hundred eight".