921063088 has 20 divisors (see below), whose sum is σ = 1946792808. Its totient is φ = 418664960.

The previous prime is 921063061. The next prime is 921063107. The reversal of 921063088 is 880360129.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616481 + ... + 2616832.

Almost surely, 2^921063088 is an apocalyptic number.

It is an amenable number.

921063088 is an abundant number, since it is smaller than the sum of its proper divisors (1025729720).

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

921063088 is a wasteful number, since it uses less digits than its factorization.

921063088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233332 (or 5233326 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 921063088 is about 30349.0212033271. The cubic root of 921063088 is about 972.9633006801.

The spelling of 921063088 in words is "nine hundred twenty-one million, sixty-three thousand, eighty-eight".