33978034 has 8 divisors (see below), whose sum is σ = 51025968. Its totient is φ = 16969380.

The previous prime is 33978031. The next prime is 33978047. The reversal of 33978034 is 43087933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 33977984 and 33978002.

It is not an unprimeable number, because it can be changed into a prime (33978031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7552 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (6378246).

Almost surely, 2^33978034 is an apocalyptic number.

33978034 is a deficient number, since it is larger than the sum of its proper divisors (17047934).

33978034 is a wasteful number, since it uses less digits than its factorization.

33978034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19640.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 33978034 is about 5829.0680215623. The cubic root of 33978034 is about 323.8913991051.

The spelling of 33978034 in words is "thirty-three million, nine hundred seventy-eight thousand, thirty-four".