33828418 has 16 divisors (see below), whose sum is σ = 54766656. Its totient is φ = 15578640.

The previous prime is 33828407. The next prime is 33828433. The reversal of 33828418 is 81482833.

It is a super-2 number, since 2×33828418² = 2288723728765448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13483 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (3422916).

Almost surely, 2^33828418 is an apocalyptic number.

33828418 is a deficient number, since it is larger than the sum of its proper divisors (20938238).

33828418 is a wasteful number, since it uses less digits than its factorization.

33828418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889.

The product of its digits is 36864, while the sum is 37.

The square root of 33828418 is about 5816.2202503000. The cubic root of 33828418 is about 323.4153009557.

The spelling of 33828418 in words is "thirty-three million, eight hundred twenty-eight thousand, four hundred eighteen".