4390464 has 56 divisors (see below), whose sum is σ = 12517120. Its totient is φ = 1350144.

The previous prime is 4390453. The next prime is 4390469. The reversal of 4390464 is 4640934.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4390469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (223520).

Almost surely, 2^4390464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4390464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6258560).

4390464 is an abundant number, since it is smaller than the sum of its proper divisors (8126656).

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

4390464 is a wasteful number, since it uses less digits than its factorization.

4390464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4390464 is about 2095.3434086087. The cubic root of 4390464 is about 163.7457889871.

The spelling of 4390464 in words is "four million, three hundred ninety thousand, four hundred sixty-four".