4390957 has 8 divisors (see below), whose sum is σ = 4701600. Its totient is φ = 4088304.

The previous prime is 4390937. The next prime is 4391003. The reversal of 4390957 is 7590934.

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

It is a cyclic number.

It is not a de Polignac number, because 4390957 - 2⁷ = 4390829 is a prime.

It is a Duffinian number.

4390957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390937) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 838 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (587700).

Almost surely, 2^4390957 is an apocalyptic number.

It is an amenable number.

4390957 is a deficient number, since it is larger than the sum of its proper divisors (310643).

4390957 is a wasteful number, since it uses less digits than its factorization.

4390957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 4390957 is about 2095.4610471207. The cubic root of 4390957 is about 163.7519176980.

The spelling of 4390957 in words is "four million, three hundred ninety thousand, nine hundred fifty-seven".