33959140 has 12 divisors (see below), whose sum is σ = 71314236. Its totient is φ = 13583648.

The previous prime is 33959119. The next prime is 33959141. The reversal of 33959140 is 4195933.

It can be written as a sum of positive squares in 2 ways, for example, as 9278116 + 24681024 = 3046^2 + 4968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33959096 and 33959105.

It is not an unprimeable number, because it can be changed into a prime (33959141) 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, 848959 + ... + 848998.

It is an arithmetic number, because the mean of its divisors is an integer number (5942853).

Almost surely, 2^33959140 is an apocalyptic number.

It is an amenable number.

33959140 is an abundant number, since it is smaller than the sum of its proper divisors (37355096).

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

33959140 is a wasteful number, since it uses less digits than its factorization.

33959140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697966 (or 1697964 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 33959140 is about 5827.4471254573. The cubic root of 33959140 is about 323.8313530692.

The spelling of 33959140 in words is "thirty-three million, nine hundred fifty-nine thousand, one hundred forty".