214951947 has 8 divisors (see below), whose sum is σ = 327545856. Its totient is φ = 122829672.

The previous prime is 214951943. The next prime is 214951987. The reversal of 214951947 is 749159412.

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

It is not a de Polignac number, because 214951947 - 2² = 214951943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214951899 and 214951908.

It is not an unprimeable number, because it can be changed into a prime (214951943) 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, 5117883 + ... + 5117924.

It is an arithmetic number, because the mean of its divisors is an integer number (40943232).

Almost surely, 2^214951947 is an apocalyptic number.

214951947 is a deficient number, since it is larger than the sum of its proper divisors (112593909).

214951947 is a wasteful number, since it uses less digits than its factorization.

214951947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235817.

The product of its digits is 90720, while the sum is 42.

The square root of 214951947 is about 14661.2396133478. The cubic root of 214951947 is about 599.0280067878.

The spelling of 214951947 in words is "two hundred fourteen million, nine hundred fifty-one thousand, nine hundred forty-seven".