33949990 has 8 divisors (see below), whose sum is σ = 61110000. Its totient is φ = 13579992.

The previous prime is 33949987. The next prime is 33950057. The reversal of 33949990 is 9994933.

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

It is a self number, because there is not a number n which added to its sum of digits gives 33949990.

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, 1697490 + ... + 1697509.

It is an arithmetic number, because the mean of its divisors is an integer number (7638750).

Almost surely, 2^33949990 is an apocalyptic number.

33949990 is a deficient number, since it is larger than the sum of its proper divisors (27160010).

33949990 is a wasteful number, since it uses less digits than its factorization.

33949990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395006.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 33949990 is about 5826.6619946587. The cubic root of 33949990 is about 323.8022659266.

The spelling of 33949990 in words is "thirty-three million, nine hundred forty-nine thousand, nine hundred ninety".