33097986 has 24 divisors (see below), whose sum is σ = 71929260. Its totient is φ = 10999296.

The previous prime is 33097979. The next prime is 33097991. The reversal of 33097986 is 68979033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30636225 + 2461761 = 5535^2 + 1569^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3750 + ... + 8958.

Almost surely, 2^33097986 is an apocalyptic number.

33097986 is an abundant number, since it is smaller than the sum of its proper divisors (38831274).

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

33097986 is a wasteful number, since it uses less digits than its factorization.

33097986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570 (or 5567 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 33097986 is about 5753.0849115931. The cubic root of 33097986 is about 321.0705874407.

The spelling of 33097986 in words is "thirty-three million, ninety-seven thousand, nine hundred eighty-six".