505427398 has 32 divisors (see below), whose sum is σ = 929283840. Its totient is φ = 201333600.

The previous prime is 505427389. The next prime is 505427407. The reversal of 505427398 is 893724505.

It is an interprime number because it is at equal distance from previous prime (505427389) and next prime (505427407).

It is a congruent number.

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, 3828 + ... + 32023.

It is an arithmetic number, because the mean of its divisors is an integer number (29040120).

Almost surely, 2^505427398 is an apocalyptic number.

505427398 is a deficient number, since it is larger than the sum of its proper divisors (423856442).

505427398 is a wasteful number, since it uses less digits than its factorization.

505427398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35932.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 505427398 is about 22481.7125237380. The cubic root of 505427398 is about 796.5620162913.

The spelling of 505427398 in words is "five hundred five million, four hundred twenty-seven thousand, three hundred ninety-eight".