506978414 has 8 divisors (see below), whose sum is σ = 771818088. Its totient is φ = 249705720.

The previous prime is 506978413. The next prime is 506978491. The reversal of 506978414 is 414879605.

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

It is a super-2 number, since 2×506978414² = 514054224523910792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506978413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891577 + ... + 1891844.

It is an arithmetic number, because the mean of its divisors is an integer number (96477261).

Almost surely, 2^506978414 is an apocalyptic number.

506978414 is a deficient number, since it is larger than the sum of its proper divisors (264839674).

506978414 is a wasteful number, since it uses less digits than its factorization.

506978414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783490.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 506978414 is about 22516.1811593352. The cubic root of 506978414 is about 797.3759932709.

The spelling of 506978414 in words is "five hundred six million, nine hundred seventy-eight thousand, four hundred fourteen".