321948434 has 16 divisors (see below), whose sum is σ = 504301248. Its totient is φ = 153858672.

The previous prime is 321948421. The next prime is 321948437. The reversal of 321948434 is 434849123.

It is not an unprimeable number, because it can be changed into a prime (321948437) 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 7 ways as a sum of consecutive naturals, for example, 112064 + ... + 114900.

It is an arithmetic number, because the mean of its divisors is an integer number (31518828).

Almost surely, 2^321948434 is an apocalyptic number.

321948434 is a deficient number, since it is larger than the sum of its proper divisors (182352814).

321948434 is a wasteful number, since it uses less digits than its factorization.

321948434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329.

The product of its digits is 82944, while the sum is 38.

The square root of 321948434 is about 17942.9215569817. The cubic root of 321948434 is about 685.3758102633.

The spelling of 321948434 in words is "three hundred twenty-one million, nine hundred forty-eight thousand, four hundred thirty-four".