33400793 has 2 divisors, whose sum is σ = 33400794. Its totient is φ = 33400792.

The previous prime is 33400769. The next prime is 33400811. The reversal of 33400793 is 39700433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26708224 + 6692569 = 5168^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 33400793 - 2¹⁴ = 33384409 is a prime.

It is a super-2 number, since 2×33400793² = 2231225946057698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33400753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700396 + 16700397.

It is an arithmetic number, because the mean of its divisors is an integer number (16700397).

Almost surely, 2^33400793 is an apocalyptic number.

It is an amenable number.

33400793 is a deficient number, since it is larger than the sum of its proper divisors (1).

33400793 is an equidigital number, since it uses as much as digits as its factorization.

33400793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 33400793 is about 5779.3419175543. The cubic root of 33400793 is about 322.0467538813.

The spelling of 33400793 in words is "thirty-three million, four hundred thousand, seven hundred ninety-three".