507498378 has 8 divisors (see below), whose sum is σ = 1014996768. Its totient is φ = 169166124.

The previous prime is 507498349. The next prime is 507498391. The reversal of 507498378 is 873894705.

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

507498378 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 507498378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42291526 + ... + 42291537.

It is an arithmetic number, because the mean of its divisors is an integer number (126874596).

Almost surely, 2^507498378 is an apocalyptic number.

507498378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

507498378 is a wasteful number, since it uses less digits than its factorization.

507498378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84583068.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 507498378 is about 22527.7246520815. The cubic root of 507498378 is about 797.6485000405.

The spelling of 507498378 in words is "five hundred seven million, four hundred ninety-eight thousand, three hundred seventy-eight".