406536322 has 8 divisors (see below), whose sum is σ = 609912972. Its totient is φ = 203232000.

The previous prime is 406536311. The next prime is 406536329. The reversal of 406536322 is 223635604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 405257161 + 1279161 = 20131^2 + 1131^2 .

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

It is a super-2 number, since 2×406536322² = 330543562210575368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406536329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679 + ... + 28522.

Almost surely, 2^406536322 is an apocalyptic number.

406536322 is a deficient number, since it is larger than the sum of its proper divisors (203376650).

406536322 is a wasteful number, since it uses less digits than its factorization.

406536322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36164.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 406536322 is about 20162.7458943468. The cubic root of 406536322 is about 740.7979716869.

The spelling of 406536322 in words is "four hundred six million, five hundred thirty-six thousand, three hundred twenty-two".