33340413 has 8 divisors (see below), whose sum is σ = 44506528. Its totient is φ = 22200624.

The previous prime is 33340399. The next prime is 33340427. The reversal of 33340413 is 31404333.

It is an interprime number because it is at equal distance from previous prime (33340399) and next prime (33340427).

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

It is a de Polignac number, because none of the positive numbers 2^k-33340413 is a prime.

It is a super-2 number, since 2×33340413² = 2223166278021138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33340413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33340613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3406 + ... + 8847.

It is an arithmetic number, because the mean of its divisors is an integer number (5563316).

Almost surely, 2^33340413 is an apocalyptic number.

It is an amenable number.

33340413 is a deficient number, since it is larger than the sum of its proper divisors (11166115).

33340413 is a wasteful number, since it uses less digits than its factorization.

33340413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13163.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 33340413 is about 5774.1157764631. The cubic root of 33340413 is about 321.8525777324.

Adding to 33340413 its reverse (31404333), we get a palindrome (64744746).

The spelling of 33340413 in words is "thirty-three million, three hundred forty thousand, four hundred thirteen".