33103940 has 12 divisors (see below), whose sum is σ = 69518316. Its totient is φ = 13241568.

The previous prime is 33103927. The next prime is 33103943. The reversal of 33103940 is 4930133.

It can be written as a sum of positive squares in 2 ways, for example, as 21215236 + 11888704 = 4606^2 + 3448^2 .

It is not an unprimeable number, because it can be changed into a prime (33103943) 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, 827579 + ... + 827618.

It is an arithmetic number, because the mean of its divisors is an integer number (5793193).

Almost surely, 2^33103940 is an apocalyptic number.

It is an amenable number.

33103940 is an abundant number, since it is smaller than the sum of its proper divisors (36414376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33103940 is a wasteful number, since it uses less digits than its factorization.

33103940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655206 (or 1655204 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 33103940 is about 5753.6023498327. The cubic root of 33103940 is about 321.0898387596.

It can be divided in two parts, 33103 and 940, that added together give a palindrome (34043).

The spelling of 33103940 in words is "thirty-three million, one hundred three thousand, nine hundred forty".