4390854 has 32 divisors (see below), whose sum is σ = 9694944. Its totient is φ = 1317120.

The previous prime is 4390849. The next prime is 4390873. The reversal of 4390854 is 4580934.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2512 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (302967).

Almost surely, 2^4390854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4390854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4847472).

4390854 is an abundant number, since it is smaller than the sum of its proper divisors (5304090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4390854 is a wasteful number, since it uses less digits than its factorization.

4390854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 4390854 is about 2095.4364700463. The cubic root of 4390854 is about 163.7506372953.

The spelling of 4390854 in words is "four million, three hundred ninety thousand, eight hundred fifty-four".