4340390 has 8 divisors (see below), whose sum is σ = 7812720. Its totient is φ = 1736152.

The previous prime is 4340381. The next prime is 4340407. The reversal of 4340390 is 930434.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217010 + ... + 217029.

It is an arithmetic number, because the mean of its divisors is an integer number (976590).

Almost surely, 2^4340390 is an apocalyptic number.

4340390 is a deficient number, since it is larger than the sum of its proper divisors (3472330).

4340390 is a wasteful number, since it uses less digits than its factorization.

4340390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434046.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 4340390 is about 2083.3602664926. The cubic root of 4340390 is about 163.1208909091.

The spelling of 4340390 in words is "four million, three hundred forty thousand, three hundred ninety".