506076986 has 4 divisors (see below), whose sum is σ = 759115482. Its totient is φ = 253038492.

The previous prime is 506076983. The next prime is 506077001. The reversal of 506076986 is 689670605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 504855961 + 1221025 = 22469^2 + 1105^2 .

It is a super-2 number, since 2×506076986² = 512227831517688392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 506076986.

It is not an unprimeable number, because it can be changed into a prime (506076983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126519245 + ... + 126519248.

Almost surely, 2^506076986 is an apocalyptic number.

506076986 is a deficient number, since it is larger than the sum of its proper divisors (253038496).

506076986 is a wasteful number, since it uses less digits than its factorization.

506076986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253038495.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 506076986 is about 22496.1549158962. The cubic root of 506076986 is about 796.9031240434.

The spelling of 506076986 in words is "five hundred six million, seventy-six thousand, nine hundred eighty-six".