385299477 has 8 divisors (see below), whose sum is σ = 570814080. Its totient is φ = 256866300.

The previous prime is 385299437. The next prime is 385299491. The reversal of 385299477 is 774992583.

385299477 is a `hidden beast` number, since 3 + 85 + 2 + 99 + 477 = 666.

It is not a de Polignac number, because 385299477 - 2⁷ = 385299349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385299437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7135149 + ... + 7135202.

It is an arithmetic number, because the mean of its divisors is an integer number (71351760).

Almost surely, 2^385299477 is an apocalyptic number.

It is an amenable number.

385299477 is a deficient number, since it is larger than the sum of its proper divisors (185514603).

385299477 is a wasteful number, since it uses less digits than its factorization.

385299477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14270360 (or 14270354 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 385299477 is about 19629.0467674821. The cubic root of 385299477 is about 727.6672120691.

The spelling of 385299477 in words is "three hundred eighty-five million, two hundred ninety-nine thousand, four hundred seventy-seven".