4394458 has 8 divisors (see below), whose sum is σ = 6610752. Its totient is φ = 2190876.

The previous prime is 4394447. The next prime is 4394461. The reversal of 4394458 is 8544934.

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

It is a super-2 number, since 2×4394458² = 38622522227528, 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 3 ways as a sum of consecutive naturals, for example, 2260 + ... + 3727.

It is an arithmetic number, because the mean of its divisors is an integer number (826344).

Almost surely, 2^4394458 is an apocalyptic number.

4394458 is a deficient number, since it is larger than the sum of its proper divisors (2216294).

4394458 is a wasteful number, since it uses less digits than its factorization.

4394458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356.

The product of its digits is 69120, while the sum is 37.

The square root of 4394458 is about 2096.2962576888. The cubic root of 4394458 is about 163.7954270563.

It can be divided in two parts, 439445 and 8, that added together give a triangular number (439453 = T₉₃₇).

The spelling of 4394458 in words is "four million, three hundred ninety-four thousand, four hundred fifty-eight".