33399944 has 8 divisors (see below), whose sum is σ = 62624910. Its totient is φ = 16699968.

The previous prime is 33399923. The next prime is 33399983. The reversal of 33399944 is 44999333.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31787044 + 1612900 = 5638^2 + 1270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33399944² = 2231112518406272, which contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 33399895 and 33399904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2087489 + ... + 2087504.

Almost surely, 2^33399944 is an apocalyptic number.

It is an amenable number.

33399944 is a deficient number, since it is larger than the sum of its proper divisors (29224966).

33399944 is a wasteful number, since it uses less digits than its factorization.

33399944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174999 (or 4174995 counting only the distinct ones).

The product of its digits is 314928, while the sum is 44.

The square root of 33399944 is about 5779.2684658181. The cubic root of 33399944 is about 322.0440252035.

It can be divided in two parts, 33399 and 944, that added together give a palindrome (34343).

The spelling of 33399944 in words is "thirty-three million, three hundred ninety-nine thousand, nine hundred forty-four".