385995477 has 32 divisors (see below), whose sum is σ = 621322240. Its totient is φ = 208474560.

The previous prime is 385995461. The next prime is 385995479. The reversal of 385995477 is 774599583.

It is not a de Polignac number, because 385995477 - 2⁴ = 385995461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385995479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21099 + ... + 34887.

It is an arithmetic number, because the mean of its divisors is an integer number (19416320).

Almost surely, 2^385995477 is an apocalyptic number.

It is an amenable number.

385995477 is a deficient number, since it is larger than the sum of its proper divisors (235326763).

385995477 is a wasteful number, since it uses less digits than its factorization.

385995477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13873.

The product of its digits is 9525600, while the sum is 57.

The square root of 385995477 is about 19646.7675967320. The cubic root of 385995477 is about 728.1050980629.

It can be divided in two parts, 3859954 and 77, that added together give a triangular number (3860031 = T₂₇₇₈).

The spelling of 385995477 in words is "three hundred eighty-five million, nine hundred ninety-five thousand, four hundred seventy-seven".