915448790 has 8 divisors (see below), whose sum is σ = 1647807840. Its totient is φ = 366179512.

The previous prime is 915448789. The next prime is 915448799. The reversal of 915448790 is 97844519.

915448790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×915448790² = 1676092974224928200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915448799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45772430 + ... + 45772449.

It is an arithmetic number, because the mean of its divisors is an integer number (205975980).

Almost surely, 2^915448790 is an apocalyptic number.

915448790 is a deficient number, since it is larger than the sum of its proper divisors (732359050).

915448790 is a wasteful number, since it uses less digits than its factorization.

915448790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91544886.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 915448790 is about 30256.3842849736. The cubic root of 915448790 is about 970.9823858941.

The spelling of 915448790 in words is "nine hundred fifteen million, four hundred forty-eight thousand, seven hundred ninety".