396469442 has 8 divisors (see below), whose sum is σ = 594791100. Its totient is φ = 198205744.

The previous prime is 396469441. The next prime is 396469471. The reversal of 396469442 is 244964693.

It can be written as a sum of positive squares in 2 ways, for example, as 368601601 + 27867841 = 19199^2 + 5279^2 .

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 (396469441) 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, 13184 + ... + 31092.

Almost surely, 2^396469442 is an apocalyptic number.

396469442 is a deficient number, since it is larger than the sum of its proper divisors (198321658).

396469442 is a wasteful number, since it uses less digits than its factorization.

396469442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28980.

The product of its digits is 1119744, while the sum is 47.

The square root of 396469442 is about 19911.5404225791. The cubic root of 396469442 is about 734.6321092243.

The spelling of 396469442 in words is "three hundred ninety-six million, four hundred sixty-nine thousand, four hundred forty-two".