921008752 has 10 divisors (see below), whose sum is σ = 1784454488. Its totient is φ = 460504368.

The previous prime is 921008747. The next prime is 921008771. The reversal of 921008752 is 257800129.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 28781508 + ... + 28781539.

Almost surely, 2^921008752 is an apocalyptic number.

It is an amenable number.

921008752 is a deficient number, since it is larger than the sum of its proper divisors (863445736).

921008752 is a wasteful number, since it uses less digits than its factorization.

921008752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57563055 (or 57563049 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 921008752 is about 30348.1260047470. The cubic root of 921008752 is about 972.9441677259.

The spelling of 921008752 in words is "nine hundred twenty-one million, eight thousand, seven hundred fifty-two".