33421293 has 6 divisors (see below), whose sum is σ = 48275214. Its totient is φ = 22280856.

The previous prime is 33421291. The next prime is 33421307. The reversal of 33421293 is 39212433.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31606884 + 1814409 = 5622^2 + 1347^2 .

It is not a de Polignac number, because 33421293 - 2¹ = 33421291 is a prime.

It is a super-2 number, since 2×33421293² = 2233965651583698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33421291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1856730 + ... + 1856747.

It is an arithmetic number, because the mean of its divisors is an integer number (8045869).

Almost surely, 2^33421293 is an apocalyptic number.

It is an amenable number.

33421293 is a deficient number, since it is larger than the sum of its proper divisors (14853921).

33421293 is a wasteful number, since it uses less digits than its factorization.

33421293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713483 (or 3713480 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 33421293 is about 5781.1152038339. The cubic root of 33421293 is about 322.1126266511.

The spelling of 33421293 in words is "thirty-three million, four hundred twenty-one thousand, two hundred ninety-three".