214470997 has 8 divisors (see below), whose sum is σ = 244555416. Its totient is φ = 186327552.

The previous prime is 214470941. The next prime is 214471003. The reversal of 214470997 is 799074412.

It can be written as a sum of positive squares in 4 ways, for example, as 12859396 + 201611601 = 3586^2 + 14199^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214470997 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 (214470097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485008 + ... + 485449.

It is an arithmetic number, because the mean of its divisors is an integer number (30569427).

Almost surely, 2^214470997 is an apocalyptic number.

It is an amenable number.

214470997 is a deficient number, since it is larger than the sum of its proper divisors (30084419).

214470997 is a wasteful number, since it uses less digits than its factorization.

214470997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970487.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 214470997 is about 14644.8283363104. The cubic root of 214470997 is about 598.5809027325.

The spelling of 214470997 in words is "two hundred fourteen million, four hundred seventy thousand, nine hundred ninety-seven".