33854428 has 12 divisors (see below), whose sum is σ = 62363560. Its totient is φ = 16036272.

The previous prime is 33854417. The next prime is 33854453. The reversal of 33854428 is 82445833.

It is a super-2 number, since 2×33854428² = 2292244590414368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222651 + ... + 222802.

Almost surely, 2^33854428 is an apocalyptic number.

33854428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

33854428 is a deficient number, since it is larger than the sum of its proper divisors (28509132).

33854428 is a wasteful number, since it uses less digits than its factorization.

33854428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445476 (or 445474 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 33854428 is about 5818.4558088895. The cubic root of 33854428 is about 323.4981689253.

The spelling of 33854428 in words is "thirty-three million, eight hundred fifty-four thousand, four hundred twenty-eight".