385272534 has 16 divisors (see below), whose sum is σ = 776613888. Its totient is φ = 127412712.

The previous prime is 385272509. The next prime is 385272539. The reversal of 385272534 is 435272583.

It is a junction number, because it is equal to n+sod(n) for n = 385272492 and 385272501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385272539) 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, 252042 + ... + 253565.

It is an arithmetic number, because the mean of its divisors is an integer number (48538368).

Almost surely, 2^385272534 is an apocalyptic number.

385272534 is an abundant number, since it is smaller than the sum of its proper divisors (391341354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385272534 is a wasteful number, since it uses less digits than its factorization.

385272534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505739.

The product of its digits is 201600, while the sum is 39.

The square root of 385272534 is about 19628.3604511431. The cubic root of 385272534 is about 727.6502503757.

The spelling of 385272534 in words is "three hundred eighty-five million, two hundred seventy-two thousand, five hundred thirty-four".