306950401 has 4 divisors (see below), whose sum is σ = 312741972. Its totient is φ = 301158832.

The previous prime is 306950381. The next prime is 306950429. The reversal of 306950401 is 104059603.

It is a Cunningham number, because it is equal to 17520²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 221295376 + 85655025 = 14876^2 + 9255^2 .

It is a cyclic number.

It is not a de Polignac number, because 306950401 - 2²³ = 298561793 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 306950401.

It is not an unprimeable number, because it can be changed into a prime (306950461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2895706 + ... + 2895811.

It is an arithmetic number, because the mean of its divisors is an integer number (78185493).

Almost surely, 2^306950401 is an apocalyptic number.

It is an amenable number.

306950401 is a deficient number, since it is larger than the sum of its proper divisors (5791571).

306950401 is an equidigital number, since it uses as much as digits as its factorization.

306950401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791570.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 306950401 is about 17520.0000285388. Note that the first 4 decimals coincide. The cubic root of 306950401 is about 674.5633397143.

The spelling of 306950401 in words is "three hundred six million, nine hundred fifty thousand, four hundred one".