33979870 has 16 divisors (see below), whose sum is σ = 62201520. Its totient is φ = 13361344.

The previous prime is 33979861. The next prime is 33979873. The reversal of 33979870 is 7897933.

It is a self number, because there is not a number n which added to its sum of digits gives 33979870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33979873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28207 + ... + 29386.

It is an arithmetic number, because the mean of its divisors is an integer number (3887595).

Almost surely, 2^33979870 is an apocalyptic number.

33979870 is a deficient number, since it is larger than the sum of its proper divisors (28221650).

33979870 is a wasteful number, since it uses less digits than its factorization.

33979870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57659.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 33979870 is about 5829.2255060171. The cubic root of 33979870 is about 323.8972328142.

The spelling of 33979870 in words is "thirty-three million, nine hundred seventy-nine thousand, eight hundred seventy".