325649390 has 16 divisors (see below), whose sum is σ = 639457200. Its totient is φ = 118417920.

The previous prime is 325649369. The next prime is 325649453. The reversal of 325649390 is 93946523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480115 + ... + 1480334.

It is an arithmetic number, because the mean of its divisors is an integer number (39966075).

Almost surely, 2^325649390 is an apocalyptic number.

325649390 is a deficient number, since it is larger than the sum of its proper divisors (313807810).

325649390 is a wasteful number, since it uses less digits than its factorization.

325649390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960467.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 325649390 is about 18045.7582273508. The cubic root of 325649390 is about 687.9920550169.

The spelling of 325649390 in words is "three hundred twenty-five million, six hundred forty-nine thousand, three hundred ninety".