406022677 has 4 divisors (see below), whose sum is σ = 406067200. Its totient is φ = 405978156.

The previous prime is 406022663. The next prime is 406022681. The reversal of 406022677 is 776220604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406022677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406022377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3063 + ... + 28660.

It is an arithmetic number, because the mean of its divisors is an integer number (101516800).

Almost surely, 2^406022677 is an apocalyptic number.

It is an amenable number.

406022677 is a deficient number, since it is larger than the sum of its proper divisors (44523).

406022677 is a wasteful number, since it uses less digits than its factorization.

406022677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44522.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 406022677 is about 20150.0043920591. The cubic root of 406022677 is about 740.4858490722.

The spelling of 406022677 in words is "four hundred six million, twenty-two thousand, six hundred seventy-seven".