831214272 has 56 divisors (see below), whose sum is σ = 2513437696. Its totient is φ = 237489408.

The previous prime is 831214247. The next prime is 831214283. The reversal of 831214272 is 272412138.

It is a tau number, because it is divible by the number of its divisors (56).

It is a nude number because it is divisible by every one of its digits.

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, 307888 + ... + 310575.

It is an arithmetic number, because the mean of its divisors is an integer number (44882816).

Almost surely, 2^831214272 is an apocalyptic number.

It is an amenable number.

831214272 is an abundant number, since it is smaller than the sum of its proper divisors (1682223424).

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

831214272 is a wasteful number, since it uses less digits than its factorization.

831214272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618485 (or 618475 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 831214272 is about 28830.7868779192. The cubic root of 831214272 is about 940.2377065958.

The spelling of 831214272 in words is "eight hundred thirty-one million, two hundred fourteen thousand, two hundred seventy-two".