328414477 has 2 divisors, whose sum is σ = 328414478. Its totient is φ = 328414476.

The previous prime is 328414453. The next prime is 328414561. The reversal of 328414477 is 774414823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266146596 + 62267881 = 16314^2 + 7891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328414477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328414777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164207238 + 164207239.

It is an arithmetic number, because the mean of its divisors is an integer number (164207239).

Almost surely, 2^328414477 is an apocalyptic number.

It is an amenable number.

328414477 is a deficient number, since it is larger than the sum of its proper divisors (1).

328414477 is an equidigital number, since it uses as much as digits as its factorization.

328414477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 40.

The square root of 328414477 is about 18122.2094955334. The cubic root of 328414477 is about 689.9338149778.

The spelling of 328414477 in words is "three hundred twenty-eight million, four hundred fourteen thousand, four hundred seventy-seven".