424404394 has 8 divisors (see below), whose sum is σ = 636715620. Its totient is φ = 212165856.

The previous prime is 424404341. The next prime is 424404401. The reversal of 424404394 is 493404424.

It can be written as a sum of positive squares in 2 ways, for example, as 419717169 + 4687225 = 20487^2 + 2165^2 .

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

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, 102 + ... + 29134.

Almost surely, 2^424404394 is an apocalyptic number.

424404394 is a deficient number, since it is larger than the sum of its proper divisors (212311226).

424404394 is a wasteful number, since it uses less digits than its factorization.

424404394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36344.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 424404394 is about 20601.0774960923. The cubic root of 424404394 is about 751.4959144843.

The spelling of 424404394 in words is "four hundred twenty-four million, four hundred four thousand, three hundred ninety-four".