4390343 has 4 divisors (see below), whose sum is σ = 4492488. Its totient is φ = 4288200.

The previous prime is 4390327. The next prime is 4390357. The reversal of 4390343 is 3430934.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4390343 - 2⁴ = 4390327 is a prime.

It is a super-2 number, since 2×4390343² = 38550223315298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4392343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51008 + ... + 51093.

It is an arithmetic number, because the mean of its divisors is an integer number (1123122).

Almost surely, 2^4390343 is an apocalyptic number.

4390343 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4390343 is a deficient number, since it is larger than the sum of its proper divisors (102145).

4390343 is a wasteful number, since it uses less digits than its factorization.

4390343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102144.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 4390343 is about 2095.3145348611. The cubic root of 4390343 is about 163.7442847101.

The spelling of 4390343 in words is "four million, three hundred ninety thousand, three hundred forty-three".