406028395 has 4 divisors (see below), whose sum is σ = 487234080. Its totient is φ = 324822712.

The previous prime is 406028387. The next prime is 406028401. The reversal of 406028395 is 593820604.

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

It is a cyclic number.

It is not a de Polignac number, because 406028395 - 2³ = 406028387 is a prime.

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, 40602835 + ... + 40602844.

It is an arithmetic number, because the mean of its divisors is an integer number (121808520).

Almost surely, 2^406028395 is an apocalyptic number.

406028395 is a deficient number, since it is larger than the sum of its proper divisors (81205685).

406028395 is an equidigital number, since it uses as much as digits as its factorization.

406028395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81205684.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 406028395 is about 20150.1462773847. The cubic root of 406028395 is about 740.4893251327.

Adding to 406028395 its reverse (593820604), we get a palindrome (999848999).

The spelling of 406028395 in words is "four hundred six million, twenty-eight thousand, three hundred ninety-five".