4390265 has 8 divisors (see below), whose sum is σ = 5747328. Its totient is φ = 3192880.

The previous prime is 4390247. The next prime is 4390279. The reversal of 4390265 is 5620934.

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

It is not a de Polignac number, because 4390265 - 2¹⁰ = 4389241 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39857 + ... + 39966.

It is an arithmetic number, because the mean of its divisors is an integer number (718416).

Almost surely, 2^4390265 is an apocalyptic number.

It is an amenable number.

4390265 is a deficient number, since it is larger than the sum of its proper divisors (1357063).

4390265 is a wasteful number, since it uses less digits than its factorization.

4390265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79839.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 4390265 is about 2095.2959218211. The cubic root of 4390265 is about 163.7433149962.

The spelling of 4390265 in words is "four million, three hundred ninety thousand, two hundred sixty-five".