33980156 has 12 divisors (see below), whose sum is σ = 67960368. Its totient is φ = 14562912.

The previous prime is 33980147. The next prime is 33980179. The reversal of 33980156 is 65108933.

33980156 is an admirable number.

It is a hoax number, since the sum of its digits (35) 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606761 + ... + 606816.

It is an arithmetic number, because the mean of its divisors is an integer number (5663364).

Almost surely, 2^33980156 is an apocalyptic number.

It is an amenable number.

33980156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33980156 is a wasteful number, since it uses less digits than its factorization.

33980156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213588 (or 1213586 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 33980156 is about 5829.2500375263. The cubic root of 33980156 is about 323.8981415321.

The spelling of 33980156 in words is "thirty-three million, nine hundred eighty thousand, one hundred fifty-six".