4094645 has 8 divisors (see below), whose sum is σ = 4939704. Its totient is φ = 3258304.

The previous prime is 4094627. The next prime is 4094663. The reversal of 4094645 is 5464904.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4094627) and next prime (4094663).

It can be written as a sum of positive squares in 4 ways, for example, as 1385329 + 2709316 = 1177^2 + 1646^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4094645 - 2¹⁸ = 3832501 is a prime.

It is a super-2 number, since 2×4094645² = 33532235352050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (617463).

Almost surely, 2^4094645 is an apocalyptic number.

It is an amenable number.

4094645 is a deficient number, since it is larger than the sum of its proper divisors (845059).

4094645 is a wasteful number, since it uses less digits than its factorization.

4094645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4094645 is about 2023.5229180812. The cubic root of 4094645 is about 159.9823548250.

The spelling of 4094645 in words is "four million, ninety-four thousand, six hundred forty-five".