427841415 has 24 divisors (see below), whose sum is σ = 747263088. Its totient is φ = 226437120.

The previous prime is 427841413. The next prime is 427841419. The reversal of 427841415 is 514148724.

It is a happy number.

It is not a de Polignac number, because 427841415 - 2¹ = 427841413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427841415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427841413) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30394 + ... + 42183.

It is an arithmetic number, because the mean of its divisors is an integer number (31135962).

Almost surely, 2^427841415 is an apocalyptic number.

427841415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427841415 is a deficient number, since it is larger than the sum of its proper divisors (319421673).

427841415 is a wasteful number, since it uses less digits than its factorization.

427841415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72719 (or 72716 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 427841415 is about 20684.3277628257. The cubic root of 427841415 is about 753.5191152776.

The spelling of 427841415 in words is "four hundred twenty-seven million, eight hundred forty-one thousand, four hundred fifteen".