987609226 has 4 divisors (see below), whose sum is σ = 1481413842. Its totient is φ = 493804612.

The previous prime is 987609223. The next prime is 987609241. The reversal of 987609226 is 622906789.

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

It can be written as a sum of positive squares in only one way, i.e., 849664201 + 137945025 = 29149^2 + 11745^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 987609226.

It is not an unprimeable number, because it can be changed into a prime (987609223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246902305 + ... + 246902308.

Almost surely, 2^987609226 is an apocalyptic number.

987609226 is a deficient number, since it is larger than the sum of its proper divisors (493804616).

987609226 is a wasteful number, since it uses less digits than its factorization.

987609226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493804615.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 987609226 is about 31426.2505876854. The cubic root of 987609226 is about 995.8525645596.

The spelling of 987609226 in words is "nine hundred eighty-seven million, six hundred nine thousand, two hundred twenty-six".