328949877 has 4 divisors (see below), whose sum is σ = 438599840. Its totient is φ = 219299916.

The previous prime is 328949867. The next prime is 328949879. The reversal of 328949877 is 778949823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 328949877 - 2¹⁶ = 328884341 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 (328949879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54824977 + ... + 54824982.

It is an arithmetic number, because the mean of its divisors is an integer number (109649960).

Almost surely, 2^328949877 is an apocalyptic number.

It is an amenable number.

328949877 is a deficient number, since it is larger than the sum of its proper divisors (109649963).

328949877 is a wasteful number, since it uses less digits than its factorization.

328949877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109649962.

The product of its digits is 6096384, while the sum is 57.

The square root of 328949877 is about 18136.9754093675. The cubic root of 328949877 is about 690.3085345655.

The spelling of 328949877 in words is "three hundred twenty-eight million, nine hundred forty-nine thousand, eight hundred seventy-seven".