406072887 has 8 divisors (see below), whose sum is σ = 590651520. Its totient is φ = 246104760.

The previous prime is 406072873. The next prime is 406072907. The reversal of 406072887 is 788270604.

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

It is not a de Polignac number, because 406072887 - 2¹⁰ = 406071863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406072867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6152587 + ... + 6152652.

It is an arithmetic number, because the mean of its divisors is an integer number (73831440).

Almost surely, 2^406072887 is an apocalyptic number.

406072887 is a deficient number, since it is larger than the sum of its proper divisors (184578633).

406072887 is a wasteful number, since it uses less digits than its factorization.

406072887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12305253.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 406072887 is about 20151.2502589790. The cubic root of 406072887 is about 740.5163713920.

The spelling of 406072887 in words is "four hundred six million, seventy-two thousand, eight hundred eighty-seven".