33480191 has 4 divisors (see below), whose sum is σ = 35449632. Its totient is φ = 31510752.

The previous prime is 33480179. The next prime is 33480241. The reversal of 33480191 is 19108433.

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 33480191 - 2⁶ = 33480127 is a prime.

It is a super-2 number, since 2×33480191² = 2241846378792962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33480131) 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, 984695 + ... + 984728.

It is an arithmetic number, because the mean of its divisors is an integer number (8862408).

Almost surely, 2^33480191 is an apocalyptic number.

33480191 is a deficient number, since it is larger than the sum of its proper divisors (1969441).

33480191 is a wasteful number, since it uses less digits than its factorization.

33480191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969440.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 33480191 is about 5786.2069613867. The cubic root of 33480191 is about 322.3017341939.

The spelling of 33480191 in words is "thirty-three million, four hundred eighty thousand, one hundred ninety-one".