4197394 has 4 divisors (see below), whose sum is σ = 6296094. Its totient is φ = 2098696.

The previous prime is 4197367. The next prime is 4197407. The reversal of 4197394 is 4937914.

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., 4141225 + 56169 = 2035^2 + 237^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049347 + ... + 1049350.

Almost surely, 2^4197394 is an apocalyptic number.

4197394 is a deficient number, since it is larger than the sum of its proper divisors (2098700).

4197394 is a wasteful number, since it uses less digits than its factorization.

4197394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098699.

The product of its digits is 27216, while the sum is 37.

The square root of 4197394 is about 2048.7542556393. The cubic root of 4197394 is about 161.3094878964.

The spelling of 4197394 in words is "four million, one hundred ninety-seven thousand, three hundred ninety-four".