3830645 has 16 divisors (see below), whose sum is σ = 5658240. Its totient is φ = 2424384.

The previous prime is 3830623. The next prime is 3830669. The reversal of 3830645 is 5460383.

It is a cyclic number.

It is not a de Polignac number, because 3830645 - 2¹⁸ = 3568501 is a prime.

It is a super-2 number, since 2×3830645² = 29347682232050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3755 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (353640).

Almost surely, 2^3830645 is an apocalyptic number.

3830645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3830645 is a deficient number, since it is larger than the sum of its proper divisors (1827595).

3830645 is a wasteful number, since it uses less digits than its factorization.

3830645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8444.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3830645 is about 1957.2033619427. The cubic root of 3830645 is about 156.4674370083.

The spelling of 3830645 in words is "three million, eight hundred thirty thousand, six hundred forty-five".