4378340 has 24 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 1740128.

The previous prime is 4378327. The next prime is 4378351. The reversal of 4378340 is 438734.

It is a super-2 number, since 2×4378340² = 38339722311200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969 + ... + 4191.

It is an arithmetic number, because the mean of its divisors is an integer number (385560).

Almost surely, 2^4378340 is an apocalyptic number.

It is an amenable number.

4378340 is an abundant number, since it is smaller than the sum of its proper divisors (4875100).

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

4378340 is a wasteful number, since it uses less digits than its factorization.

4378340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 4378340 is about 2092.4483267216. The cubic root of 4378340 is about 163.5949253472.

The spelling of 4378340 in words is "four million, three hundred seventy-eight thousand, three hundred forty".