314447021 has 16 divisors (see below), whose sum is σ = 363946368. Its totient is φ = 266112000.

The previous prime is 314446997. The next prime is 314447033. The reversal of 314447021 is 120744413.

It is not a de Polignac number, because 314447021 - 2¹⁰ = 314445997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314447041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261221 + ... + 262421.

It is an arithmetic number, because the mean of its divisors is an integer number (22746648).

Almost surely, 2^314447021 is an apocalyptic number.

It is an amenable number.

314447021 is a deficient number, since it is larger than the sum of its proper divisors (49499347).

314447021 is a wasteful number, since it uses less digits than its factorization.

314447021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 314447021 is about 17732.6540878685. The cubic root of 314447021 is about 680.0108281148.

The spelling of 314447021 in words is "three hundred fourteen million, four hundred forty-seven thousand, twenty-one".