4390680 has 64 divisors (see below), whose sum is σ = 15056640. Its totient is φ = 1003392.

The previous prime is 4390667. The next prime is 4390697. The reversal of 4390680 is 860934.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1774 + ... + 3453.

It is an arithmetic number, because the mean of its divisors is an integer number (235260).

Almost surely, 2^4390680 is an apocalyptic number.

4390680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4390680 is an abundant number, since it is smaller than the sum of its proper divisors (10665960).

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

4390680 is a wasteful number, since it uses less digits than its factorization.

4390680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248 (or 5244 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4390680 is about 2095.3949508386. The cubic root of 4390680 is about 163.7484742394.

The spelling of 4390680 in words is "four million, three hundred ninety thousand, six hundred eighty".