406996579 has 4 divisors (see below), whose sum is σ = 443996280. Its totient is φ = 369996880.

The previous prime is 406996567. The next prime is 406996619. The reversal of 406996579 is 975699604.

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

It is not a de Polignac number, because 406996579 - 2¹⁵ = 406963811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406996379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18499834 + ... + 18499855.

It is an arithmetic number, because the mean of its divisors is an integer number (110999070).

Almost surely, 2^406996579 is an apocalyptic number.

406996579 is a deficient number, since it is larger than the sum of its proper divisors (36999701).

406996579 is a wasteful number, since it uses less digits than its factorization.

406996579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36999700.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The square root of 406996579 is about 20174.1562153167. The cubic root of 406996579 is about 741.0774291784.

It can be divided in two parts, 40699 and 6579, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 406996579 in words is "four hundred six million, nine hundred ninety-six thousand, five hundred seventy-nine".