523976385 has 32 divisors (see below), whose sum is σ = 849945600. Its totient is φ = 275616000.

The previous prime is 523976359. The next prime is 523976417. The reversal of 523976385 is 583679325.

It is a happy number.

It is not a de Polignac number, because 523976385 - 2¹⁴ = 523960001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528240 + ... + 529230.

It is an arithmetic number, because the mean of its divisors is an integer number (26560800).

Almost surely, 2^523976385 is an apocalyptic number.

It is an amenable number.

523976385 is a deficient number, since it is larger than the sum of its proper divisors (325969215).

523976385 is a wasteful number, since it uses less digits than its factorization.

523976385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its digits is 1360800, while the sum is 48.

The square root of 523976385 is about 22890.5304656751. The cubic root of 523976385 is about 806.1896867328.

The spelling of 523976385 in words is "five hundred twenty-three million, nine hundred seventy-six thousand, three hundred eighty-five".