406433626 has 8 divisors (see below), whose sum is σ = 610165044. Its totient is φ = 203045280.

The previous prime is 406433611. The next prime is 406433633. The reversal of 406433626 is 626334604.

It can be written as a sum of positive squares in 2 ways, for example, as 393824025 + 12609601 = 19845^2 + 3551^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 406433591 and 406433600.

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, 82785 + ... + 87556.

Almost surely, 2^406433626 is an apocalyptic number.

406433626 is a deficient number, since it is larger than the sum of its proper divisors (203731418).

406433626 is a wasteful number, since it uses less digits than its factorization.

406433626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171536.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 406433626 is about 20160.1990565570. The cubic root of 406433626 is about 740.7355882530.

The spelling of 406433626 in words is "four hundred six million, four hundred thirty-three thousand, six hundred twenty-six".