3804705 has 16 divisors (see below), whose sum is σ = 6764160. Its totient is φ = 2029104.

The previous prime is 3804701. The next prime is 3804707. The reversal of 3804705 is 5074083.

It is not a de Polignac number, because 3804705 - 2² = 3804701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3804701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13957 + ... + 14226.

It is an arithmetic number, because the mean of its divisors is an integer number (422760).

Almost surely, 2^3804705 is an apocalyptic number.

It is an amenable number.

3804705 is a deficient number, since it is larger than the sum of its proper divisors (2959455).

3804705 is a wasteful number, since it uses less digits than its factorization.

3804705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28197 (or 28191 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3804705 is about 1950.5653026751. The cubic root of 3804705 is about 156.1134529728.

Adding to 3804705 its reverse (5074083), we get a palindrome (8878788).

The spelling of 3804705 in words is "three million, eight hundred four thousand, seven hundred five".