33361340 has 24 divisors (see below), whose sum is σ = 73746960. Its totient is φ = 12642048.

The previous prime is 33361337. The next prime is 33361357. The reversal of 33361340 is 4316333.

It is a super-2 number, since 2×33361340² = 2225958013191200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43517 + ... + 44276.

It is an arithmetic number, because the mean of its divisors is an integer number (3072790).

Almost surely, 2^33361340 is an apocalyptic number.

It is an amenable number.

33361340 is an abundant number, since it is smaller than the sum of its proper divisors (40385620).

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

33361340 is a wasteful number, since it uses less digits than its factorization.

33361340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87821 (or 87819 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 33361340 is about 5775.9276311256. The cubic root of 33361340 is about 321.9199034347.

Adding to 33361340 its reverse (4316333), we get a palindrome (37677673).

The spelling of 33361340 in words is "thirty-three million, three hundred sixty-one thousand, three hundred forty".