921533676 has 24 divisors (see below), whose sum is σ = 2457423360. Its totient is φ = 263295312.

The previous prime is 921533647. The next prime is 921533759. The reversal of 921533676 is 676335129.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5485236 + ... + 5485403.

It is an arithmetic number, because the mean of its divisors is an integer number (102392640).

Almost surely, 2^921533676 is an apocalyptic number.

It is an amenable number.

921533676 is an abundant number, since it is smaller than the sum of its proper divisors (1535889684).

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

921533676 is a wasteful number, since it uses less digits than its factorization.

921533676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970653 (or 10970651 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 921533676 is about 30356.7731486731. The cubic root of 921533676 is about 973.1289740578.

The spelling of 921533676 in words is "nine hundred twenty-one million, five hundred thirty-three thousand, six hundred seventy-six".