396434722 has 8 divisors (see below), whose sum is σ = 595184976. Its totient is φ = 198039732.

The previous prime is 396434711. The next prime is 396434729. The reversal of 396434722 is 227434693.

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

It is not an unprimeable number, because it can be changed into a prime (396434729) 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, 86008 + ... + 90499.

It is an arithmetic number, because the mean of its divisors is an integer number (74398122).

Almost surely, 2^396434722 is an apocalyptic number.

396434722 is a deficient number, since it is larger than the sum of its proper divisors (198750254).

396434722 is a wasteful number, since it uses less digits than its factorization.

396434722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177632.

The product of its digits is 217728, while the sum is 40.

The square root of 396434722 is about 19910.6685472889. The cubic root of 396434722 is about 734.6106639638.

The spelling of 396434722 in words is "three hundred ninety-six million, four hundred thirty-four thousand, seven hundred twenty-two".