385496538 has 64 divisors (see below), whose sum is σ = 903979008. Its totient is φ = 107308800.

The previous prime is 385496521. The next prime is 385496543. The reversal of 385496538 is 835694583.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791331 + ... + 791817.

It is an arithmetic number, because the mean of its divisors is an integer number (14124672).

Almost surely, 2^385496538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385496538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451989504).

385496538 is an abundant number, since it is smaller than the sum of its proper divisors (518482470).

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

385496538 is a wasteful number, since it uses less digits than its factorization.

385496538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its digits is 3110400, while the sum is 51.

The square root of 385496538 is about 19634.0657531750. The cubic root of 385496538 is about 727.7912457949.

The spelling of 385496538 in words is "three hundred eighty-five million, four hundred ninety-six thousand, five hundred thirty-eight".