354979729 has 16 divisors (see below), whose sum is σ = 397519360. Its totient is φ = 314772480.

The previous prime is 354979711. The next prime is 354979747. The reversal of 354979729 is 927979453.

It is an interprime number because it is at equal distance from previous prime (354979711) and next prime (354979747).

It is a cyclic number.

It is not a de Polignac number, because 354979729 - 2⁵ = 354979697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354979729.

It is not an unprimeable number, because it can be changed into a prime (354979799) 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, 52849 + ... + 59185.

It is an arithmetic number, because the mean of its divisors is an integer number (24844960).

Almost surely, 2^354979729 is an apocalyptic number.

It is an amenable number.

354979729 is a deficient number, since it is larger than the sum of its proper divisors (42539631).

354979729 is a wasteful number, since it uses less digits than its factorization.

354979729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520.

The product of its digits is 4286520, while the sum is 55.

The square root of 354979729 is about 18840.9057372516. The cubic root of 354979729 is about 708.0563975896.

The spelling of 354979729 in words is "three hundred fifty-four million, nine hundred seventy-nine thousand, seven hundred twenty-nine".