314485981 has 4 divisors (see below), whose sum is σ = 314591200. Its totient is φ = 314380764.

The previous prime is 314485957. The next prime is 314486021. The reversal of 314485981 is 189584413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 314485981 - 2⁹ = 314485469 is a prime.

It is a super-2 number, since 2×314485981² = 197802864491064722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314485901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47991 + ... + 54148.

It is an arithmetic number, because the mean of its divisors is an integer number (78647800).

Almost surely, 2^314485981 is an apocalyptic number.

It is an amenable number.

314485981 is a deficient number, since it is larger than the sum of its proper divisors (105219).

314485981 is a wasteful number, since it uses less digits than its factorization.

314485981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105218.

The product of its digits is 138240, while the sum is 43.

The square root of 314485981 is about 17733.7525921616. The cubic root of 314485981 is about 680.0389114123.

The spelling of 314485981 in words is "three hundred fourteen million, four hundred eighty-five thousand, nine hundred eighty-one".