513804394 has 8 divisors (see below), whose sum is σ = 770823648. Its totient is φ = 256863180.

The previous prime is 513804373. The next prime is 513804409. The reversal of 513804394 is 493408315.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459 + ... + 32089.

It is an arithmetic number, because the mean of its divisors is an integer number (96352956).

Almost surely, 2^513804394 is an apocalyptic number.

513804394 is a deficient number, since it is larger than the sum of its proper divisors (257019254).

513804394 is a wasteful number, since it uses less digits than its factorization.

513804394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39020.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 513804394 is about 22667.2537816119. The cubic root of 513804394 is about 800.9386866950.

The spelling of 513804394 in words is "five hundred thirteen million, eight hundred four thousand, three hundred ninety-four".