4290385 has 8 divisors (see below), whose sum is σ = 5616576. Its totient is φ = 3120240.

The previous prime is 4290373. The next prime is 4290413. The reversal of 4290385 is 5830924.

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

It is not a de Polignac number, because 4290385 - 2¹³ = 4282193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38949 + ... + 39058.

It is an arithmetic number, because the mean of its divisors is an integer number (702072).

Almost surely, 2^4290385 is an apocalyptic number.

It is an amenable number.

4290385 is a deficient number, since it is larger than the sum of its proper divisors (1326191).

4290385 is a wasteful number, since it uses less digits than its factorization.

4290385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78023.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4290385 is about 2071.3244555115. The cubic root of 4290385 is about 162.4920390577.

The spelling of 4290385 in words is "four million, two hundred ninety thousand, three hundred eighty-five".