275438346 has 32 divisors (see below), whose sum is σ = 570810240. Its totient is φ = 88501056.

The previous prime is 275438333. The next prime is 275438353. The reversal of 275438346 is 643834572.

It is a junction number, because it is equal to n+sod(n) for n = 275438298 and 275438307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167440 + ... + 169076.

It is an arithmetic number, because the mean of its divisors is an integer number (17837820).

Almost surely, 2^275438346 is an apocalyptic number.

275438346 is an abundant number, since it is smaller than the sum of its proper divisors (295371894).

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

275438346 is a wasteful number, since it uses less digits than its factorization.

275438346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638.

The product of its digits is 483840, while the sum is 42.

The square root of 275438346 is about 16596.3353183768. The cubic root of 275438346 is about 650.6410606446.

The spelling of 275438346 in words is "two hundred seventy-five million, four hundred thirty-eight thousand, three hundred forty-six".