33981494 has 8 divisors (see below), whose sum is σ = 51277968. Its totient is φ = 16888840.

The previous prime is 33981491. The next prime is 33981509. The reversal of 33981494 is 49418933.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33981491) 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, 50537 + ... + 51204.

It is an arithmetic number, because the mean of its divisors is an integer number (6409746).

Almost surely, 2^33981494 is an apocalyptic number.

33981494 is a deficient number, since it is larger than the sum of its proper divisors (17296474).

33981494 is a wasteful number, since it uses less digits than its factorization.

33981494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101910.

The product of its digits is 93312, while the sum is 41.

The square root of 33981494 is about 5829.3648024463. The cubic root of 33981494 is about 323.9023927390.

The spelling of 33981494 in words is "thirty-three million, nine hundred eighty-one thousand, four hundred ninety-four".