917472490 has 32 divisors (see below), whose sum is σ = 1907561664. Its totient is φ = 314000640.

The previous prime is 917472469. The next prime is 917472499. The reversal of 917472490 is 94274719.

It is not an unprimeable number, because it can be changed into a prime (917472499) 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 in 15 ways as a sum of consecutive naturals, for example, 243444 + ... + 247183.

It is an arithmetic number, because the mean of its divisors is an integer number (59611302).

Almost surely, 2^917472490 is an apocalyptic number.

917472490 is an abundant number, since it is smaller than the sum of its proper divisors (990089174).

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

917472490 is a wasteful number, since it uses less digits than its factorization.

917472490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490662.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 917472490 is about 30289.8083519853. The cubic root of 917472490 is about 971.6973470217.

The spelling of 917472490 in words is "nine hundred seventeen million, four hundred seventy-two thousand, four hundred ninety".