406433266 has 4 divisors (see below), whose sum is σ = 609649902. Its totient is φ = 203216632.

The previous prime is 406433249. The next prime is 406433303. The reversal of 406433266 is 662334604.

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

It can be written as a sum of positive squares in only one way, i.e., 395015625 + 11417641 = 19875^2 + 3379^2 .

It is a super-2 number, since 2×406433266² = 330375999422853512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101608315 + ... + 101608318.

Almost surely, 2^406433266 is an apocalyptic number.

406433266 is a deficient number, since it is larger than the sum of its proper divisors (203216636).

406433266 is a wasteful number, since it uses less digits than its factorization.

406433266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203216635.

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

The square root of 406433266 is about 20160.1901280717. The cubic root of 406433266 is about 740.7353695499.

The spelling of 406433266 in words is "four hundred six million, four hundred thirty-three thousand, two hundred sixty-six".