275385936 has 80 divisors (see below), whose sum is σ = 822268800. Its totient is φ = 77789184.

The previous prime is 275385919. The next prime is 275385947. The reversal of 275385936 is 639583572.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25300 + ... + 34508.

It is an arithmetic number, because the mean of its divisors is an integer number (10278360).

Almost surely, 2^275385936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275385936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411134400).

275385936 is an abundant number, since it is smaller than the sum of its proper divisors (546882864).

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

275385936 is a wasteful number, since it uses less digits than its factorization.

275385936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9316 (or 9310 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 275385936 is about 16594.7562802230. The cubic root of 275385936 is about 650.5997903548.

The spelling of 275385936 in words is "two hundred seventy-five million, three hundred eighty-five thousand, nine hundred thirty-six".