4385690 has 8 divisors (see below), whose sum is σ = 7894260. Its totient is φ = 1754272.

The previous prime is 4385687. The next prime is 4385701. The reversal of 4385690 is 965834.

It can be written as a sum of positive squares in 2 ways, for example, as 4380649 + 5041 = 2093^2 + 71^2 .

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

It is a super-2 number, since 2×4385690² = 38468553552200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4385690.

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, 219275 + ... + 219294.

Almost surely, 2^4385690 is an apocalyptic number.

4385690 is a deficient number, since it is larger than the sum of its proper divisors (3508570).

4385690 is a wasteful number, since it uses less digits than its factorization.

4385690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438576.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4385690 is about 2094.2039060225. The cubic root of 4385690 is about 163.6864174412.

The spelling of 4385690 in words is "four million, three hundred eighty-five thousand, six hundred ninety".