406067290 has 8 divisors (see below), whose sum is σ = 730921140. Its totient is φ = 162426912.

The previous prime is 406067281. The next prime is 406067293. The reversal of 406067290 is 92760604.

It can be written as a sum of positive squares in 2 ways, for example, as 406062801 + 4489 = 20151^2 + 67^2 .

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

It is not an unprimeable number, because it can be changed into a prime (406067293) 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, 20303355 + ... + 20303374.

Almost surely, 2^406067290 is an apocalyptic number.

406067290 is a deficient number, since it is larger than the sum of its proper divisors (324853850).

406067290 is a wasteful number, since it uses less digits than its factorization.

406067290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40606736.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 406067290 is about 20151.1113837426. Note that the first 3 decimals coincide. The cubic root of 406067290 is about 740.5129691381.

The spelling of 406067290 in words is "four hundred six million, sixty-seven thousand, two hundred ninety".