3799665 has 12 divisors (see below), whose sum is σ = 6586164. Its totient is φ = 2026464.

The previous prime is 3799661. The next prime is 3799681. The reversal of 3799665 is 5669973.

It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 1656369 = 1464^2 + 1287^2 .

It is not a de Polignac number, because 3799665 - 2² = 3799661 is a prime.

It is a super-2 number, since 2×3799665² = 28874908224450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 84437 = 3799665 / (3 + 7 + 9 + 9 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3799665.

It is not an unprimeable number, because it can be changed into a prime (3799661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42174 + ... + 42263.

It is an arithmetic number, because the mean of its divisors is an integer number (548847).

Almost surely, 2^3799665 is an apocalyptic number.

It is an amenable number.

3799665 is a deficient number, since it is larger than the sum of its proper divisors (2786499).

3799665 is a wasteful number, since it uses less digits than its factorization.

3799665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84448 (or 84445 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3799665 is about 1949.2729413810. The cubic root of 3799665 is about 156.0444892834.

The spelling of 3799665 in words is "three million, seven hundred ninety-nine thousand, six hundred sixty-five".