520379238 has 16 divisors (see below), whose sum is σ = 1049970096. Its totient is φ = 171924480.

The previous prime is 520379221. The next prime is 520379261. The reversal of 520379238 is 832973025.

It is a junction number, because it is equal to n+sod(n) for n = 520379196 and 520379205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383083 + ... + 384438.

It is an arithmetic number, because the mean of its divisors is an integer number (65623131).

Almost surely, 2^520379238 is an apocalyptic number.

520379238 is an abundant number, since it is smaller than the sum of its proper divisors (529590858).

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

520379238 is a wasteful number, since it uses less digits than its factorization.

520379238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767639.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 520379238 is about 22811.8223296606. The cubic root of 520379238 is about 804.3405929308.

The spelling of 520379238 in words is "five hundred twenty million, three hundred seventy-nine thousand, two hundred thirty-eight".