33840004 has 12 divisors (see below), whose sum is σ = 64603728. Its totient is φ = 15381800.

The previous prime is 33839977. The next prime is 33840019. The reversal of 33840004 is 40004833.

It is a super-2 number, since 2×33840004² = 2290291741440032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384502 + ... + 384589.

It is an arithmetic number, because the mean of its divisors is an integer number (5383644).

Almost surely, 2^33840004 is an apocalyptic number.

It is an amenable number.

33840004 is a deficient number, since it is larger than the sum of its proper divisors (30763724).

33840004 is a wasteful number, since it uses less digits than its factorization.

33840004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769106 (or 769104 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 33840004 is about 5817.2161727067. The cubic root of 33840004 is about 323.4522192450.

Adding to 33840004 its reverse (40004833), we get a palindrome (73844837).

The spelling of 33840004 in words is "thirty-three million, eight hundred forty thousand, four".