325491398 has 4 divisors (see below), whose sum is σ = 488237100. Its totient is φ = 162745698.

The previous prime is 325491379. The next prime is 325491409. The reversal of 325491398 is 893194523.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81372848 + ... + 81372851.

It is an arithmetic number, because the mean of its divisors is an integer number (122059275).

Almost surely, 2^325491398 is an apocalyptic number.

325491398 is a deficient number, since it is larger than the sum of its proper divisors (162745702).

325491398 is a wasteful number, since it uses less digits than its factorization.

325491398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162745701.

The product of its digits is 233280, while the sum is 44.

The square root of 325491398 is about 18041.3801578482. The cubic root of 325491398 is about 687.8807749845.

The spelling of 325491398 in words is "three hundred twenty-five million, four hundred ninety-one thousand, three hundred ninety-eight".