326428435 has 8 divisors (see below), whose sum is σ = 391815936. Its totient is φ = 261074880.

The previous prime is 326428433. The next prime is 326428439. The reversal of 326428435 is 534824623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 326428435 - 2¹ = 326428433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 326428394 and 326428403.

It is not an unprimeable number, because it can be changed into a prime (326428433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23950 + ... + 35020.

It is an arithmetic number, because the mean of its divisors is an integer number (48976992).

Almost surely, 2^326428435 is an apocalyptic number.

326428435 is a deficient number, since it is larger than the sum of its proper divisors (65387501).

326428435 is a wasteful number, since it uses less digits than its factorization.

326428435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16973.

The product of its digits is 138240, while the sum is 37.

The square root of 326428435 is about 18067.3305997317. The cubic root of 326428435 is about 688.5402416573.

The spelling of 326428435 in words is "three hundred twenty-six million, four hundred twenty-eight thousand, four hundred thirty-five".