325782638 has 8 divisors (see below), whose sum is σ = 500592960. Its totient is φ = 158918320.

The previous prime is 325782637. The next prime is 325782647. The reversal of 325782638 is 836287523.

325782638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×325782638² = 212268654444478088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325782637) 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, 1986398 + ... + 1986561.

It is an arithmetic number, because the mean of its divisors is an integer number (62574120).

Almost surely, 2^325782638 is an apocalyptic number.

325782638 is a deficient number, since it is larger than the sum of its proper divisors (174810322).

325782638 is a wasteful number, since it uses less digits than its factorization.

325782638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973002.

The product of its digits is 483840, while the sum is 44.

The square root of 325782638 is about 18049.4497977085. The cubic root of 325782638 is about 688.0858788936.

The spelling of 325782638 in words is "three hundred twenty-five million, seven hundred eighty-two thousand, six hundred thirty-eight".