16939001 has 2 divisors, whose sum is σ = 16939002. Its totient is φ = 16939000.

The previous prime is 16938997. The next prime is 16939037. The reversal of 16939001 is 10093961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16933225 + 5776 = 4115^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 16939001 - 2² = 16938997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16939061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469500 + 8469501.

It is an arithmetic number, because the mean of its divisors is an integer number (8469501).

Almost surely, 2^16939001 is an apocalyptic number.

It is an amenable number.

16939001 is a deficient number, since it is larger than the sum of its proper divisors (1).

16939001 is an equidigital number, since it uses as much as digits as its factorization.

16939001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 16939001 is about 4115.7017627617. The cubic root of 16939001 is about 256.8202500910.

The spelling of 16939001 in words is "sixteen million, nine hundred thirty-nine thousand, one".