33397946 has 8 divisors (see below), whose sum is σ = 50121504. Its totient is φ = 16690780.

The previous prime is 33397933. The next prime is 33397951. The reversal of 33397946 is 64979333.

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

It is a super-2 number, since 2×33397946² = 2230845594037832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33397897 and 33397906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5411 + ... + 9801.

It is an arithmetic number, because the mean of its divisors is an integer number (6265188).

Almost surely, 2^33397946 is an apocalyptic number.

33397946 is a deficient number, since it is larger than the sum of its proper divisors (16723558).

33397946 is a wasteful number, since it uses less digits than its factorization.

33397946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196.

The product of its digits is 367416, while the sum is 44.

The square root of 33397946 is about 5779.0956039851. The cubic root of 33397946 is about 322.0376034682.

It can be divided in two parts, 33397 and 946, that added together give a palindrome (34343).

The spelling of 33397946 in words is "thirty-three million, three hundred ninety-seven thousand, nine hundred forty-six".