507961406 has 12 divisors (see below), whose sum is σ = 772840176. Its totient is φ = 250398540.

The previous prime is 507961403. The next prime is 507961427. The reversal of 507961406 is 604169705.

It is a self number, because there is not a number n which added to its sum of digits gives 507961406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507961403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15110 + ... + 35273.

It is an arithmetic number, because the mean of its divisors is an integer number (64403348).

Almost surely, 2^507961406 is an apocalyptic number.

507961406 is a deficient number, since it is larger than the sum of its proper divisors (264878770).

507961406 is an equidigital number, since it uses as much as digits as its factorization.

507961406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50527 (or 50456 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 507961406 is about 22537.9991569793. Note that the first 3 decimals coincide. The cubic root of 507961406 is about 797.8910107159.

Adding to 507961406 its sum of digits (38), we get a square (507961444 = 22538²).

It can be divided in two parts, 50796 and 1406, that multiplied together give a triangular number (71419176 = T₁₁₉₅₁).

The spelling of 507961406 in words is "five hundred seven million, nine hundred sixty-one thousand, four hundred six".