214631377 has 8 divisors (see below), whose sum is σ = 224424000. Its totient is φ = 204877200.

The previous prime is 214631359. The next prime is 214631399. The reversal of 214631377 is 773136412.

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

It is a cyclic number.

It is not a de Polignac number, because 214631377 - 2¹¹ = 214629329 is a prime.

It is a super-2 number, since 2×214631377² = 92133255985832258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214631357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127 + ... + 20827.

It is an arithmetic number, because the mean of its divisors is an integer number (28053000).

Almost surely, 2^214631377 is an apocalyptic number.

It is an amenable number.

214631377 is a deficient number, since it is larger than the sum of its proper divisors (9792623).

214631377 is a wasteful number, since it uses less digits than its factorization.

214631377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19223.

The product of its digits is 21168, while the sum is 34.

The square root of 214631377 is about 14650.3029661506. The cubic root of 214631377 is about 598.7300705096.

Adding to 214631377 its reverse (773136412), we get a palindrome (987767789).

The spelling of 214631377 in words is "two hundred fourteen million, six hundred thirty-one thousand, three hundred seventy-seven".