385620543 has 36 divisors (see below), whose sum is σ = 706860648. Its totient is φ = 200319840.

The previous prime is 385620491. The next prime is 385620559. The reversal of 385620543 is 345026583.

It is a happy number.

It is not a de Polignac number, because 385620543 - 2¹⁷ = 385489471 is a prime.

It is a super-2 number, since 2×385620543² = 297406406367229698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385620498 and 385620507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385620583) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34896 + ... + 44597.

It is an arithmetic number, because the mean of its divisors is an integer number (19635018).

Almost surely, 2^385620543 is an apocalyptic number.

385620543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

385620543 is a deficient number, since it is larger than the sum of its proper divisors (321240105).

385620543 is a wasteful number, since it uses less digits than its factorization.

385620543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79524 (or 79514 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 385620543 is about 19637.2234035263. The cubic root of 385620543 is about 727.8692750975.

The spelling of 385620543 in words is "three hundred eighty-five million, six hundred twenty thousand, five hundred forty-three".