524399930 has 8 divisors (see below), whose sum is σ = 943919892. Its totient is φ = 209759968.

The previous prime is 524399929. The next prime is 524399951. The reversal of 524399930 is 39993425.

It can be written as a sum of positive squares in 2 ways, for example, as 496532089 + 27867841 = 22283^2 + 5279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26219987 + ... + 26220006.

Almost surely, 2^524399930 is an apocalyptic number.

524399930 is a deficient number, since it is larger than the sum of its proper divisors (419519962).

524399930 is a wasteful number, since it uses less digits than its factorization.

524399930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52440000.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 524399930 is about 22899.7801299488. The cubic root of 524399930 is about 806.4068502403.

The spelling of 524399930 in words is "five hundred twenty-four million, three hundred ninety-nine thousand, nine hundred thirty".