506998946 has 8 divisors (see below), whose sum is σ = 760887120. Its totient is φ = 253369908.

The previous prime is 506998927. The next prime is 506998969. The reversal of 506998946 is 649899605.

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

It is a super-2 number, since 2×506998946² = 514095862490221832, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 506998891 and 506998900.

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, 59816 + ... + 67763.

It is an arithmetic number, because the mean of its divisors is an integer number (95110890).

Almost surely, 2^506998946 is an apocalyptic number.

506998946 is a deficient number, since it is larger than the sum of its proper divisors (253888174).

506998946 is a wasteful number, since it uses less digits than its factorization.

506998946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129568.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The square root of 506998946 is about 22516.6370934916. The cubic root of 506998946 is about 797.3867573735.

It can be divided in two parts, 50 and 6998946, that added together give a palindrome (6998996).

The spelling of 506998946 in words is "five hundred six million, nine hundred ninety-eight thousand, nine hundred forty-six".