913988450 has 12 divisors (see below), whose sum is σ = 1700018610. Its totient is φ = 365595360.

The previous prime is 913988431. The next prime is 913988477. The reversal of 913988450 is 54889319.

It can be written as a sum of positive squares in 3 ways, for example, as 791465689 + 122522761 = 28133^2 + 11069^2 .

It is a junction number, because it is equal to n+sod(n) for n = 913988395 and 913988404.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 9139835 + ... + 9139934.

Almost surely, 2^913988450 is an apocalyptic number.

913988450 is a deficient number, since it is larger than the sum of its proper divisors (786030160).

913988450 is a wasteful number, since it uses less digits than its factorization.

913988450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18279781 (or 18279776 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 913988450 is about 30232.2418950365. The cubic root of 913988450 is about 970.4658017191.

The spelling of 913988450 in words is "nine hundred thirteen million, nine hundred eighty-eight thousand, four hundred fifty".