33998379 has 4 divisors (see below), whose sum is σ = 45331176. Its totient is φ = 22665584.

The previous prime is 33998369. The next prime is 33998383. The reversal of 33998379 is 97389933.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33998379 - 2⁸ = 33998123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33998309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5666394 + ... + 5666399.

It is an arithmetic number, because the mean of its divisors is an integer number (11332794).

Almost surely, 2^33998379 is an apocalyptic number.

33998379 is a deficient number, since it is larger than the sum of its proper divisors (11332797).

33998379 is a wasteful number, since it uses less digits than its factorization.

33998379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11332796.

The product of its digits is 1102248, while the sum is 51.

The square root of 33998379 is about 5830.8128935853. The cubic root of 33998379 is about 323.9560316040.

The spelling of 33998379 in words is "thirty-three million, nine hundred ninety-eight thousand, three hundred seventy-nine".