540827397 has 24 divisors (see below), whose sum is σ = 854642880. Its totient is φ = 326839680.

The previous prime is 540827389. The next prime is 540827407. The reversal of 540827397 is 793728045.

It is not a de Polignac number, because 540827397 - 2³ = 540827389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540827347) 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, 27933 + ... + 43149.

It is an arithmetic number, because the mean of its divisors is an integer number (35610120).

Almost surely, 2^540827397 is an apocalyptic number.

It is an amenable number.

540827397 is a deficient number, since it is larger than the sum of its proper divisors (313815483).

540827397 is a wasteful number, since it uses less digits than its factorization.

540827397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593 (or 15590 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 540827397 is about 23255.6960119451. The cubic root of 540827397 is about 814.7409803302.

The spelling of 540827397 in words is "five hundred forty million, eight hundred twenty-seven thousand, three hundred ninety-seven".