3840738 has 16 divisors (see below), whose sum is σ = 8379936. Its totient is φ = 1163840.

The previous prime is 3840737. The next prime is 3840761. The reversal of 3840738 is 8370483.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 3840699 and 3840708.

It is not an unprimeable number, because it can be changed into a prime (3840737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29031 + ... + 29162.

It is an arithmetic number, because the mean of its divisors is an integer number (523746).

Almost surely, 2^3840738 is an apocalyptic number.

3840738 is an abundant number, since it is smaller than the sum of its proper divisors (4539198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3840738 is a wasteful number, since it uses less digits than its factorization.

3840738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58209.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3840738 is about 1959.7800897039. The cubic root of 3840738 is about 156.6047368525.

Adding to 3840738 its reverse (8370483), we get a palindrome (12211221).

The spelling of 3840738 in words is "three million, eight hundred forty thousand, seven hundred thirty-eight".