913748240 has 40 divisors (see below), whose sum is σ = 2197727640. Its totient is φ = 352894976.

The previous prime is 913748239. The next prime is 913748257. The reversal of 913748240 is 42847319.

It can be written as a sum of positive squares in 4 ways, for example, as 258064 + 913490176 = 508^2 + 30224^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×913748240² = 1669871692206195200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 913748194 and 913748203.

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, 194609 + ... + 199248.

It is an arithmetic number, because the mean of its divisors is an integer number (54943191).

Almost surely, 2^913748240 is an apocalyptic number.

It is an amenable number.

913748240 is an abundant number, since it is smaller than the sum of its proper divisors (1283979400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

913748240 is a wasteful number, since it uses less digits than its factorization.

913748240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393899 (or 393893 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 913748240 is about 30228.2688885751. The cubic root of 913748240 is about 970.3807765691.

The spelling of 913748240 in words is "nine hundred thirteen million, seven hundred forty-eight thousand, two hundred forty".