506401076 has 12 divisors (see below), whose sum is σ = 891099300. Its totient is φ = 251801280.

The previous prime is 506401069. The next prime is 506401079. The reversal of 506401076 is 670104605.

It can be written as a sum of positive squares in 2 ways, for example, as 228312100 + 278088976 = 15110^2 + 16676^2 .

It is a super-3 number, since 3×506401076³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506401079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349001 + ... + 350448.

It is an arithmetic number, because the mean of its divisors is an integer number (74258275).

Almost surely, 2^506401076 is an apocalyptic number.

It is an amenable number.

506401076 is a deficient number, since it is larger than the sum of its proper divisors (384698224).

506401076 is a wasteful number, since it uses less digits than its factorization.

506401076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699634 (or 699632 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 506401076 is about 22503.3569940131. The cubic root of 506401076 is about 797.0731991037.

The spelling of 506401076 in words is "five hundred six million, four hundred one thousand, seventy-six".