385210255 has 8 divisors (see below), whose sum is σ = 463899024. Its totient is φ = 307070400.

The previous prime is 385210249. The next prime is 385210321. The reversal of 385210255 is 552012583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385210255 - 2⁷ = 385210127 is a prime.

It is a Duffinian number.

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, 135681 + ... + 138490.

It is an arithmetic number, because the mean of its divisors is an integer number (57987378).

Almost surely, 2^385210255 is an apocalyptic number.

385210255 is a deficient number, since it is larger than the sum of its proper divisors (78688769).

385210255 is a wasteful number, since it uses less digits than its factorization.

385210255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274457.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 385210255 is about 19626.7739325647. The cubic root of 385210255 is about 727.6110402340.

The spelling of 385210255 in words is "three hundred eighty-five million, two hundred ten thousand, two hundred fifty-five".