102990326 has 8 divisors (see below), whose sum is σ = 157018224. Its totient is φ = 50650920.

The previous prime is 102990311. The next prime is 102990331. The reversal of 102990326 is 623099201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102990292 and 102990301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421970 + ... + 422213.

It is an arithmetic number, because the mean of its divisors is an integer number (19627278).

Almost surely, 2^102990326 is an apocalyptic number.

102990326 is a deficient number, since it is larger than the sum of its proper divisors (54027898).

102990326 is an equidigital number, since it uses as much as digits as its factorization.

102990326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844246.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 102990326 is about 10148.4149501289. The cubic root of 102990326 is about 468.7401387911.

The spelling of 102990326 in words is "one hundred two million, nine hundred ninety thousand, three hundred twenty-six".