33328461 has 4 divisors (see below), whose sum is σ = 44437952. Its totient is φ = 22218972.

The previous prime is 33328459. The next prime is 33328481. The reversal of 33328461 is 16482333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33328461 - 2¹ = 33328459 is a prime.

It is a super-2 number, since 2×33328461² = 2221572625257042, 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 (33328481) 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, 5554741 + ... + 5554746.

It is an arithmetic number, because the mean of its divisors is an integer number (11109488).

Almost surely, 2^33328461 is an apocalyptic number.

It is an amenable number.

33328461 is a deficient number, since it is larger than the sum of its proper divisors (11109491).

33328461 is a wasteful number, since it uses less digits than its factorization.

33328461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109490.

The product of its digits is 10368, while the sum is 30.

The square root of 33328461 is about 5773.0807200316. The cubic root of 33328461 is about 321.8141134841.

The spelling of 33328461 in words is "thirty-three million, three hundred twenty-eight thousand, four hundred sixty-one".