385877905 has 16 divisors (see below), whose sum is σ = 529914240. Its totient is φ = 264246912.

The previous prime is 385877867. The next prime is 385877929. The reversal of 385877905 is 509778583.

It is a cyclic number.

It is not a de Polignac number, because 385877905 - 2¹¹ = 385875857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20541 + ... + 34549.

It is an arithmetic number, because the mean of its divisors is an integer number (33119640).

Almost surely, 2^385877905 is an apocalyptic number.

385877905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

385877905 is a deficient number, since it is larger than the sum of its proper divisors (144036335).

385877905 is a wasteful number, since it uses less digits than its factorization.

385877905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14808.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The square root of 385877905 is about 19643.7752227010. The cubic root of 385877905 is about 728.0311650155.

The spelling of 385877905 in words is "three hundred eighty-five million, eight hundred seventy-seven thousand, nine hundred five".