916490388 has 48 divisors (see below), whose sum is σ = 2334790080. Its totient is φ = 277497600.

The previous prime is 916490371. The next prime is 916490437. The reversal of 916490388 is 883094619.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234208 + ... + 238088.

It is an arithmetic number, because the mean of its divisors is an integer number (48641460).

Almost surely, 2^916490388 is an apocalyptic number.

It is an amenable number.

916490388 is an abundant number, since it is smaller than the sum of its proper divisors (1418299692).

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

916490388 is a wasteful number, since it uses less digits than its factorization.

916490388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 916490388 is about 30273.5922546367. The cubic root of 916490388 is about 971.3505076955.

The spelling of 916490388 in words is "nine hundred sixteen million, four hundred ninety thousand, three hundred eighty-eight".