406729349 has 16 divisors (see below), whose sum is σ = 442753920. Its totient is φ = 371407680.

The previous prime is 406729339. The next prime is 406729357. The reversal of 406729349 is 943927604.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406729349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406729319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644264 + ... + 644894.

It is an arithmetic number, because the mean of its divisors is an integer number (27672120).

Almost surely, 2^406729349 is an apocalyptic number.

It is an amenable number.

406729349 is a deficient number, since it is larger than the sum of its proper divisors (36024571).

406729349 is a wasteful number, since it uses less digits than its factorization.

406729349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 406729349 is about 20167.5320503030. The cubic root of 406729349 is about 740.9151989200.

The spelling of 406729349 in words is "four hundred six million, seven hundred twenty-nine thousand, three hundred forty-nine".