921716274 has 8 divisors (see below), whose sum is σ = 1843432560. Its totient is φ = 307238756.

The previous prime is 921716233. The next prime is 921716291. The reversal of 921716274 is 472617129.

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

921716274 is an admirable number.

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, 76809684 + ... + 76809695.

It is an arithmetic number, because the mean of its divisors is an integer number (230429070).

Almost surely, 2^921716274 is an apocalyptic number.

921716274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

921716274 is a wasteful number, since it uses less digits than its factorization.

921716274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153619384.

The product of its digits is 42336, while the sum is 39.

The square root of 921716274 is about 30359.7805328036. The cubic root of 921716274 is about 973.1932436098.

The spelling of 921716274 in words is "nine hundred twenty-one million, seven hundred sixteen thousand, two hundred seventy-four".