501087406 has 8 divisors (see below), whose sum is σ = 752043600. Its totient is φ = 250406208.

The previous prime is 501087397. The next prime is 501087421. The reversal of 501087406 is 604780105.

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

It is a congruent number.

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, 64131 + ... + 71518.

It is an arithmetic number, because the mean of its divisors is an integer number (94005450).

Almost surely, 2^501087406 is an apocalyptic number.

501087406 is a deficient number, since it is larger than the sum of its proper divisors (250956194).

501087406 is a wasteful number, since it uses less digits than its factorization.

501087406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137498.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 501087406 is about 22384.9817064924. The cubic root of 501087406 is about 794.2754925134.

It can be divided in two parts, 5010 and 87406, that added together give a square (92416 = 304²).

The spelling of 501087406 in words is "five hundred one million, eighty-seven thousand, four hundred six".