4397090 has 8 divisors (see below), whose sum is σ = 7914780. Its totient is φ = 1758832.

The previous prime is 4397087. The next prime is 4397131. The reversal of 4397090 is 907934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 157609 = 2059^2 + 397^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219845 + ... + 219864.

Almost surely, 2^4397090 is an apocalyptic number.

4397090 is a deficient number, since it is larger than the sum of its proper divisors (3517690).

4397090 is a wasteful number, since it uses less digits than its factorization.

4397090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439716.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 4397090 is about 2096.9239375810. The cubic root of 4397090 is about 163.8281215337.

The spelling of 4397090 in words is "four million, three hundred ninety-seven thousand, ninety".